#6B99EA
Closest named color: Cornflower Blue (#6495ED). oklch(68.5% 0.13 261.1), rgb(107, 153, 234).
Aa
Black text reads best on this color (7.36:1).
About this color
#6B99EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.130 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.015 away. Black text reads best on it, at 7.36:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.36:1 |
| White text | 2.84:1 |
Values
| HEX | #6B99EA |
| RGB | rgb(107, 153, 234) |
| HSL | hsl(218, 75%, 67%) |
| OKLCH | oklch(68.5% 0.13 261.1) |
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 #6B99EA | 2.84:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #6B99EA | 7.36:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #6B99EA text on white | 2.84:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #6B99EA text on black | 7.36:1 | AAA | Lc -47.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A3C2F6
oklch(81% 0.081 260.6)
-
Step 400
400 (this color)
#6B99EA
oklch(68.5% 0.13 261.1)
-
Step 500
500
#4C86ED
oklch(63.2% 0.167 260.9)
-
Step 600
600
#306DDB
oklch(55.7% 0.18 261.1)
-
Step 700
700
#225ABE
oklch(49.1% 0.168 261)
-
Step 800
800
#1E4A9A
oklch(42.7% 0.14 261.2)
-
Step 900
900
#1E3F7A
oklch(37.7% 0.108 261)
-
Step 950
950
#122548
oklch(27% 0.07 261.5)
#6B99EA 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) | #789FED | 0.023 |
| Deuteranopia (no green cones) | #6994E8 | 0.014 |
| Tritanopia (no blue cones) | #1EABB7 | 0.116 |
| Achromatopsia (no color) | #999999 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B99EA
#6B99EA
oklch(68.5% 0.13 261.1)
- #C39025
#C39025
oklch(68.5% 0.13 80.8)
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 #6B99EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.015
- Chefchaouen Blue #4895EF ΔE 0.037
- Soft Blue #6488EA ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.051
- Periwinkle Blue #8F99FB ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.063
- Dodger Blue #1E90FF ΔE 0.072
Use #6B99EA 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.