#C3DDFB
Closest named color: Powder Blue (#B0E0E6). oklch(88.8% 0.05 252.1), rgb(195, 221, 251).
Aa
Black text reads best on this color (15.05:1).
About this color
#C3DDFB is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.050 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.042 away. Black text reads best on it, at 15.05:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.05:1 |
| White text | 1.39:1 |
Values
| HEX | #C3DDFB |
| RGB | rgb(195, 221, 251) |
| HSL | hsl(212, 88%, 87%) |
| OKLCH | oklch(88.8% 0.05 252.1) |
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 #C3DDFB | 1.39:1 | Fails | Lc -21.9 | Dividers and decoration only |
| Black text on #C3DDFB | 15.05:1 | AAA | Lc 84.5 | Fine for body text |
| #C3DDFB text on white | 1.39:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #C3DDFB 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200 (this color)
#C3DDFB
oklch(88.8% 0.05 252.1)
-
Step 300
300
#A3C4EA
oklch(80.9% 0.065 252.2)
-
Step 400
400
#70A4DF
oklch(70.6% 0.103 252.4)
-
Step 500
500
#488DD6
oklch(63.2% 0.131 251.8)
-
Step 600
600
#2775C3
oklch(55.6% 0.142 252.1)
-
Step 700
700
#1862A9
oklch(49.1% 0.133 252.1)
-
Step 800
800
#185089
oklch(42.7% 0.11 252.4)
-
Step 900
900
#1B436D
oklch(37.7% 0.085 252)
-
Step 950
950
#112740
oklch(26.9% 0.055 253.1)
#C3DDFB 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 | 0.019 |
| Deuteranopia (no green cones) | #CCD8FA | 0.016 |
| Tritanopia (no blue cones) | #B4E4E7 | 0.043 |
| Achromatopsia (no color) | #DADADA | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3DDFB
#C3DDFB
oklch(88.8% 0.05 252.1)
- #EFD6B7
#EFD6B7
oklch(88.9% 0.05 73.1)
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 #C3DDFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.042
- Cadet Gray #CED4DA ΔE 0.045
- Gainsboro #DCDCDC ΔE 0.050
- Lavender #E6E6FA ΔE 0.053
- Diamond #B9F2FF ΔE 0.054
- Light Gray #D3D3D3 ΔE 0.054
- Pale Silver #D8E2DC ΔE 0.054
Use #C3DDFB 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.