#6C99EE
Closest named color: Cornflower Blue (#6495ED). oklch(68.8% 0.135 262.2), rgb(108, 153, 238).
Aa
Black text reads best on this color (7.42:1).
About this color
#6C99EE is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.135 and its hue 262°. 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 7.42:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.42:1 |
| White text | 2.82:1 |
Values
| HEX | #6C99EE |
| RGB | rgb(108, 153, 238) |
| HSL | hsl(219, 79%, 68%) |
| OKLCH | oklch(68.8% 0.135 262.2) |
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 #6C99EE | 2.82:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #6C99EE | 7.42:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #6C99EE text on white | 2.82:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #6C99EE text on black | 7.42:1 | AAA | Lc -47.7 | 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
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAF9
oklch(88.5% 0.047 262.5)
-
Step 300
300
#A3C1F8
oklch(80.8% 0.085 262.3)
-
Step 400
400 (this color)
#6C99EE
oklch(68.8% 0.135 262.2)
-
Step 500
500
#4D84F1
oklch(63.1% 0.174 262.4)
-
Step 600
600
#316BDF
oklch(55.6% 0.188 262.2)
-
Step 700
700
#2458C2
oklch(49.1% 0.175 262.3)
-
Step 800
800
#1F499D
oklch(42.8% 0.145 262.2)
-
Step 900
900
#1E3E7C
oklch(37.7% 0.112 262)
-
Step 950
950
#122549
oklch(27% 0.071 261.9)
#6C99EE 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) | #77A0F1 | 0.024 |
| Deuteranopia (no green cones) | #6794EC | 0.015 |
| Tritanopia (no blue cones) | #1BACB8 | 0.122 |
| Achromatopsia (no color) | #9A9A9A | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C99EE
#6C99EE
oklch(68.8% 0.135 262.2)
- #C4911A
#C4911A
oklch(68.8% 0.135 82.1)
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 #6C99EE, 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
- Periwinkle Blue #8F99FB ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.070
Use #6C99EE 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.