#6B88EC
Closest named color: Soft Blue (#6488EA). oklch(65.1% 0.153 269.6), rgb(107, 136, 236).
Aa
Black text reads best on this color (6.35:1).
About this color
#6B88EC is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.153 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.009 away. Black text reads best on it, at 6.35:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.35:1 |
| White text | 3.30:1 |
Values
| HEX | #6B88EC |
| RGB | rgb(107, 136, 236) |
| HSL | hsl(227, 77%, 67%) |
| OKLCH | oklch(65.1% 0.153 269.6) |
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 #6B88EC | 3.30:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #6B88EC | 6.35:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #6B88EC text on white | 3.30:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #6B88EC text on black | 6.35:1 | AA | Lc -41.5 | 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
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300
#ADBFF2
oklch(80.9% 0.075 269.5)
-
Step 400
400
#839CEB
oklch(70.6% 0.12 269.8)
-
Step 500
500 (this color)
#6B88EC
oklch(65.1% 0.153 269.6)
-
Step 600
600
#4E69D3
oklch(55.6% 0.166 269.6)
-
Step 700
700
#3F57B7
oklch(49.2% 0.154 269.4)
-
Step 800
800
#344794
oklch(42.6% 0.128 269.8)
-
Step 900
900
#2D3D76
oklch(37.8% 0.099 269.4)
-
Step 950
950
#1A2445
oklch(27% 0.063 269.2)
#6B88EC 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) | #5D93F0 | 0.030 |
| Deuteranopia (no green cones) | #4D88EA | 0.032 |
| Tritanopia (no blue cones) | #229EAE | 0.137 |
| Achromatopsia (no color) | #8D8D8D | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B88EC
#6B88EC
oklch(65.1% 0.153 269.6)
- #AF8A00
#AF8A00
oklch(65% 0.133 89.6)
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 #6B88EC, closest first.
No curated palette has a color within ΔE 0.04 of #6B88EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.009
- Cornflower Blue #6495ED ΔE 0.034
- Dark Sky Blue #448EE4 ΔE 0.043
- Chefchaouen Blue #4895EF ΔE 0.043
- Cornflower #6A79F7 ΔE 0.043
- Lavender Blue #8B88F8 ΔE 0.046
- Perrywinkle #8F8CE7 ΔE 0.050
- Periwinkle #8E82FE ΔE 0.056
Use #6B88EC 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.