#C1DDFB
Closest named color: Powder Blue (#B0E0E6). oklch(88.7% 0.051 250.2), rgb(193, 221, 251).
Aa
Black text reads best on this color (15.00:1).
About this color
#C1DDFB is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.051 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.040 away. Black text reads best on it, at 15.00:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.00:1 |
| White text | 1.39:1 |
Values
| HEX | #C1DDFB |
| RGB | rgb(193, 221, 251) |
| HSL | hsl(211, 88%, 87%) |
| OKLCH | oklch(88.7% 0.051 250.2) |
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 #C1DDFB | 1.39:1 | Fails | Lc -22.1 | Dividers and decoration only |
| Black text on #C1DDFB | 15.00:1 | AAA | Lc 84.3 | Fine for body text |
| #C1DDFB text on white | 1.39:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #C1DDFB text on black | 15.00:1 | AAA | Lc -84.1 | 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)
#C1DDFB
oklch(88.7% 0.051 250.2)
-
Step 300
300
#A1C4EA
oklch(80.8% 0.066 250.7)
-
Step 400
400
#6CA5E0
oklch(70.6% 0.106 250.3)
-
Step 500
500
#418DD7
oklch(63% 0.135 250.3)
-
Step 600
600
#1B76C5
oklch(55.6% 0.147 250.4)
-
Step 700
700
#0963AA
oklch(49.2% 0.136 250.1)
-
Step 800
800
#0F518A
oklch(42.8% 0.113 250.3)
-
Step 900
900
#16446E
oklch(37.8% 0.087 249.7)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#C1DDFB 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) | #D2DDFD | 0.022 |
| Deuteranopia (no green cones) | #CBD7FA | 0.019 |
| Tritanopia (no blue cones) | #B1E4E7 | 0.043 |
| Achromatopsia (no color) | #DADADA | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1DDFB
#C1DDFB
oklch(88.7% 0.051 250.2)
- #F0D5B6
#F0D5B6
oklch(88.8% 0.051 70.9)
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 #C1DDFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.040
- Cadet Gray #CED4DA ΔE 0.045
- Gainsboro #DCDCDC ΔE 0.052
- Diamond #B9F2FF ΔE 0.054
- Celeste #A8DADC ΔE 0.055
- Light Gray #D3D3D3 ΔE 0.055
- Lavender #E6E6FA ΔE 0.055
Use #C1DDFB 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.