#687DE2
Closest named color: Soft Blue (#6488EA). oklch(62.1% 0.154 272.4), rgb(104, 125, 226).
Aa
Black text reads best on this color (5.62:1).
About this color
#687DE2 is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.154 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.029 away. Black text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #687DE2 |
| RGB | rgb(104, 125, 226) |
| HSL | hsl(230, 68%, 65%) |
| OKLCH | oklch(62.1% 0.154 272.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #687DE2 | 3.73:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #687DE2 | 5.62:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #687DE2 text on white | 3.73:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #687DE2 text on black | 5.62:1 | AA | Lc -36.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#B0BEF2
oklch(80.9% 0.075 272.9)
-
Step 400
400
#879BEB
oklch(70.7% 0.12 272.3)
-
Step 500
500 (this color)
#687DE2
oklch(62.1% 0.154 272.4)
-
Step 600
600
#5467D3
oklch(55.6% 0.166 272.4)
-
Step 700
700
#4555B7
oklch(49.1% 0.155 272.4)
-
Step 800
800
#384694
oklch(42.7% 0.128 272.2)
-
Step 900
900
#303C76
oklch(37.8% 0.1 272)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#687DE2 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #508AE6 | 0.039 |
| Deuteranopia (no green cones) | #427FE0 | 0.040 |
| Tritanopia (no blue cones) | #2993A4 | 0.137 |
| Achromatopsia (no color) | #848484 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #687DE2
#687DE2
oklch(62.1% 0.154 272.4)
- #A28300
#A28300
oklch(62.1% 0.127 92.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #687DE2, closest first.
No curated palette has a color within ΔE 0.04 of #687DE2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.029
- Cornflower #6A79F7 ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.052
- Medium Slate Blue #7B68EE ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.062
- Chefchaouen Blue #4895EF ΔE 0.065
- Lavender Blue #8B88F8 ΔE 0.065
- Medium Purple #9370DB ΔE 0.066
Use #687DE2 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.