#C5DFFB
Closest named color: Powder Blue (#B0E0E6). oklch(89.3% 0.048 250.3), rgb(197, 223, 251).
Aa
Black text reads best on this color (15.32:1).
About this color
#C5DFFB is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.048 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.041 away. Black text reads best on it, at 15.32:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.32:1 |
| White text | 1.37:1 |
Values
| HEX | #C5DFFB |
| RGB | rgb(197, 223, 251) |
| HSL | hsl(211, 87%, 88%) |
| OKLCH | oklch(89.3% 0.048 250.3) |
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 #C5DFFB | 1.37:1 | Fails | Lc -20.7 | Dividers and decoration only |
| Black text on #C5DFFB | 15.32:1 | AAA | Lc 85.6 | Fine for body text |
| #C5DFFB text on white | 1.37:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #C5DFFB text on black | 15.32:1 | AAA | Lc -85.5 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200 (this color)
#C5DFFB
oklch(89.3% 0.048 250.3)
-
Step 300
300
#A3C4E7
oklch(80.8% 0.061 250.1)
-
Step 400
400
#71A5DC
oklch(70.7% 0.098 250.7)
-
Step 500
500
#498DD2
oklch(63% 0.125 250.8)
-
Step 600
600
#2776BF
oklch(55.5% 0.136 250.4)
-
Step 700
700
#1863A5
oklch(49.1% 0.127 250.3)
-
Step 800
800
#185186
oklch(42.7% 0.105 250.6)
-
Step 900
900
#1B446B
oklch(37.8% 0.081 249.9)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#C5DFFB 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) | #D5DFFC | 0.020 |
| Deuteranopia (no green cones) | #CEDAFA | 0.016 |
| Tritanopia (no blue cones) | #B7E5E8 | 0.040 |
| Achromatopsia (no color) | #DCDCDC | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DFFB
#C5DFFB
oklch(89.3% 0.048 250.3)
- #F1D7BA
#F1D7BA
oklch(89.3% 0.048 70.2)
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 #C5DFFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.045
- Gainsboro #DCDCDC ΔE 0.048
- Lavender #E6E6FA ΔE 0.048
- Diamond #B9F2FF ΔE 0.049
- Pale Silver #D8E2DC ΔE 0.051
- Platinum #E0E1DD ΔE 0.053
Use #C5DFFB 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.