#C7DDF2
Closest named color: Cadet Gray (#CED4DA). oklch(88.8% 0.037 247), rgb(199, 221, 242).
Aa
Black text reads best on this color (15.05:1).
About this color
#C7DDF2 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.037 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.034 away. Black text reads best on it, at 15.05:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.05:1 |
| White text | 1.39:1 |
Values
| HEX | #C7DDF2 |
| RGB | rgb(199, 221, 242) |
| HSL | hsl(209, 62%, 86%) |
| OKLCH | oklch(88.8% 0.037 247) |
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 #C7DDF2 | 1.39:1 | Fails | Lc -21.9 | Dividers and decoration only |
| Black text on #C7DDF2 | 15.05:1 | AAA | Lc 84.5 | Fine for body text |
| #C7DDF2 text on white | 1.39:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #C7DDF2 text on black | 15.05:1 | AAA | Lc -84.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200 (this color)
#C7DDF2
oklch(88.8% 0.037 247)
-
Step 300
300
#A8C4DF
oklch(80.8% 0.049 247.5)
-
Step 400
400
#79A5CE
oklch(70.6% 0.077 247.2)
-
Step 500
500
#558FC2
oklch(63.2% 0.098 246.6)
-
Step 600
600
#3978AE
oklch(55.6% 0.106 247)
-
Step 700
700
#2A6596
oklch(49.2% 0.1 246.8)
-
Step 800
800
#255279
oklch(42.6% 0.082 247.3)
-
Step 900
900
#234462
oklch(37.6% 0.065 247.8)
-
Step 950
950
#152839
oklch(26.9% 0.04 246.9)
#C7DDF2 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) | #D5DDF3 | 0.018 |
| Deuteranopia (no green cones) | #D0D8F2 | 0.016 |
| Tritanopia (no blue cones) | #BCE2E4 | 0.031 |
| Achromatopsia (no color) | #DADADA | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C7DDF2
#C7DDF2
oklch(88.8% 0.037 247)
- #EBD6C1
#EBD6C1
oklch(88.8% 0.037 67.3)
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 #C7DDF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.035
- Gainsboro #DCDCDC ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.039
- Pale Silver #D8E2DC ΔE 0.042
- Light Gray #D3D3D3 ΔE 0.043
- Platinum #E0E1DD ΔE 0.046
- Lavender #E6E6FA ΔE 0.049
Use #C7DDF2 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.