#C6DDFF
Closest named color: Powder Blue (#B0E0E6). oklch(89.1% 0.053 258), rgb(198, 221, 255).
Aa
Black text reads best on this color (15.18:1).
About this color
#C6DDFF is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.053 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.048 away. Black text reads best on it, at 15.18:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.18:1 |
| White text | 1.38:1 |
Values
| HEX | #C6DDFF |
| RGB | rgb(198, 221, 255) |
| HSL | hsl(216, 100%, 89%) |
| OKLCH | oklch(89.1% 0.053 258) |
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 #C6DDFF | 1.38:1 | Fails | Lc -21.3 | Dividers and decoration only |
| Black text on #C6DDFF | 15.18:1 | AAA | Lc 85.1 | Fine for body text |
| #C6DDFF text on white | 1.38:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #C6DDFF text on black | 15.18:1 | AAA | Lc -84.9 | Fine for body 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 200.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200 (this color)
#C6DDFF
oklch(89.1% 0.053 258)
-
Step 300
300
#A6C2ED
oklch(80.8% 0.068 258.9)
-
Step 400
400
#75A2E4
oklch(70.7% 0.109 257.8)
-
Step 500
500
#5189DD
oklch(63.1% 0.14 258.3)
-
Step 600
600
#3471CA
oklch(55.5% 0.152 258.1)
-
Step 700
700
#275EAF
oklch(49% 0.142 258.4)
-
Step 800
800
#214E8E
oklch(42.8% 0.117 257.7)
-
Step 900
900
#204171
oklch(37.7% 0.091 257.9)
-
Step 950
950
#142642
oklch(26.9% 0.058 258.9)
#C6DDFF 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) | #D2DEFF | 0.016 |
| Deuteranopia (no green cones) | #CCD9FE | 0.012 |
| Tritanopia (no blue cones) | #B7E4E8 | 0.047 |
| Achromatopsia (no color) | #DBDBDB | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6DDFF
#C6DDFF
oklch(89.1% 0.053 258)
- #EFD8B5
#EFD8B5
oklch(89.2% 0.053 78.3)
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 #C6DDFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.049
- Cadet Gray #CED4DA ΔE 0.049
- Lavender #E6E6FA ΔE 0.051
- Gainsboro #DCDCDC ΔE 0.053
- Diamond #B9F2FF ΔE 0.056
- Pale Lilac #E4CBFF ΔE 0.058
- Pale Silver #D8E2DC ΔE 0.058
Use #C6DDFF 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.