#C1DDF8
Closest named color: Powder Blue (#B0E0E6). oklch(88.6% 0.048 247.4), rgb(193, 221, 248).
Aa
Black text reads best on this color (14.96:1).
About this color
#C1DDF8 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.048 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.037 away. Black text reads best on it, at 14.96:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.96:1 |
| White text | 1.40:1 |
Values
| HEX | #C1DDF8 |
| RGB | rgb(193, 221, 248) |
| HSL | hsl(209, 80%, 86%) |
| OKLCH | oklch(88.6% 0.048 247.4) |
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 #C1DDF8 | 1.40:1 | Fails | Lc -22.3 | Dividers and decoration only |
| Black text on #C1DDF8 | 14.96:1 | AAA | Lc 84.2 | Fine for body text |
| #C1DDF8 text on white | 1.40:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #C1DDF8 text on black | 14.96:1 | AAA | Lc -83.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200 (this color)
#C1DDF8
oklch(88.6% 0.048 247.4)
-
Step 300
300
#A1C5E7
oklch(80.9% 0.062 247.1)
-
Step 400
400
#6DA6DB
oklch(70.7% 0.098 247.6)
-
Step 500
500
#428FD1
oklch(63.1% 0.125 247.3)
-
Step 600
600
#1A78BE
oklch(55.7% 0.136 247.1)
-
Step 700
700
#0864A4
oklch(49% 0.127 247.5)
-
Step 800
800
#0F5285
oklch(42.7% 0.105 247.5)
-
Step 900
900
#16446B
oklch(37.6% 0.083 247.9)
-
Step 950
950
#0F283E
oklch(26.9% 0.052 247.6)
#C1DDF8 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) | #D3DDF9 | 0.023 |
| Deuteranopia (no green cones) | #CCD7F7 | 0.019 |
| Tritanopia (no blue cones) | #B2E3E6 | 0.039 |
| Achromatopsia (no color) | #DADADA | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C1DDF8
#C1DDF8
oklch(88.6% 0.048 247.4)
- #EFD4B8
#EFD4B8
oklch(88.5% 0.048 68.2)
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 #C1DDF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.037
- Cadet Gray #CED4DA ΔE 0.042
- Gainsboro #DCDCDC ΔE 0.049
- Light Gray #D3D3D3 ΔE 0.051
- Celeste #A8DADC ΔE 0.051
- Pale Silver #D8E2DC ΔE 0.052
- Diamond #B9F2FF ΔE 0.053
Use #C1DDF8 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.