#C3DDDB
Closest named color: Powder Blue (#B0E0E6). oklch(87.8% 0.028 191), rgb(195, 221, 219).
Aa
Black text reads best on this color (14.68:1).
About this color
#C3DDDB is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.025 away. Black text reads best on it, at 14.68:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.68:1 |
| White text | 1.42:1 |
Values
| HEX | #C3DDDB |
| RGB | rgb(195, 221, 219) |
| HSL | hsl(175, 28%, 82%) |
| OKLCH | oklch(87.8% 0.028 191) |
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 #C3DDDB | 1.42:1 | Fails | Lc -23.5 | Dividers and decoration only |
| Black text on #C3DDDB | 14.68:1 | AAA | Lc 83.1 | Fine for body text |
| #C3DDDB text on white | 1.42:1 | Fails | Lc 20.6 | Dividers and decoration only |
| #C3DDDB text on black | 14.68:1 | AAA | Lc -82.7 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200 (this color)
#C3DDDB
oklch(87.8% 0.028 191)
-
Step 300
300
#A7C8C6
oklch(80.8% 0.035 192)
-
Step 400
400
#76ACA9
oklch(70.6% 0.057 191.6)
-
Step 500
500
#4F9894
oklch(63.1% 0.074 190.8)
-
Step 600
600
#2F827E
oklch(55.6% 0.079 190.6)
-
Step 700
700
#206E6B
oklch(49.1% 0.074 191.3)
-
Step 800
800
#1D5A57
oklch(42.8% 0.062 190.5)
-
Step 900
900
#1F4A48
oklch(37.8% 0.048 191.2)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#C3DDDB 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) | #DADADB | 0.030 |
| Deuteranopia (no green cones) | #D4D6DB | 0.027 |
| Tritanopia (no blue cones) | #BCDFDC | 0.009 |
| Achromatopsia (no color) | #D8D8D8 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3DDDB
#C3DDDB
oklch(87.8% 0.028 191)
- #E8D0D2
#E8D0D2
oklch(87.8% 0.027 11.9)
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 #C3DDDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.025
- Cadet Gray #CED4DA ΔE 0.026
- Light Gray #D3D3D3 ΔE 0.030
- Pale Silver #D8E2DC ΔE 0.031
- Gainsboro #DCDCDC ΔE 0.032
- Celeste #A8DADC ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.035
- Platinum #E0E1DD ΔE 0.040
Use #C3DDDB 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.