#6689E9
Closest named color: Soft Blue (#6488EA). oklch(64.9% 0.149 267.1), rgb(102, 137, 233).
Aa
Black text reads best on this color (6.31:1).
About this color
#6689E9 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.149 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.004 away. Black text reads best on it, at 6.31:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #6689E9 |
| RGB | rgb(102, 137, 233) |
| HSL | hsl(224, 75%, 66%) |
| OKLCH | oklch(64.9% 0.149 267.1) |
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 #6689E9 | 3.32:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #6689E9 | 6.31:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #6689E9 text on white | 3.32:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #6689E9 text on black | 6.31:1 | AA | Lc -41.3 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ACC0F1
oklch(81% 0.073 267.4)
-
Step 400
400
#809EEA
oklch(70.8% 0.117 267)
-
Step 500
500 (this color)
#6689E9
oklch(64.9% 0.149 267.1)
-
Step 600
600
#496BD1
oklch(55.6% 0.162 267.2)
-
Step 700
700
#3A59B5
oklch(49.2% 0.15 266.8)
-
Step 800
800
#304992
oklch(42.7% 0.124 266.9)
-
Step 900
900
#2A3E75
oklch(37.8% 0.097 266.7)
-
Step 950
950
#192544
oklch(27.1% 0.06 266.5)
#6689E9 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) | #6093ED | 0.026 |
| Deuteranopia (no green cones) | #4F87E7 | 0.026 |
| Tritanopia (no blue cones) | #069EAE | 0.133 |
| Achromatopsia (no color) | #8D8D8D | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6689E9
#6689E9
oklch(64.9% 0.149 267.1)
- #B18800
#B18800
oklch(64.8% 0.133 87.2)
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 #6689E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.004
- Cornflower Blue #6495ED ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.035
- Chefchaouen Blue #4895EF ΔE 0.038
- Cornflower #6A79F7 ΔE 0.048
- Lavender Blue #8B88F8 ΔE 0.053
- Perrywinkle #8F8CE7 ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.058
Use #6689E9 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.