#C5DCFB
Closest named color: Light Blue (#ADD8E6). oklch(88.7% 0.049 255.9), rgb(197, 220, 251).
Aa
Black text reads best on this color (15.00:1).
About this color
#C5DCFB is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.049 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.044 away. Black text reads best on it, at 15.00:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 15.00:1 |
| White text | 1.39:1 |
Values
| HEX | #C5DCFB |
| RGB | rgb(197, 220, 251) |
| HSL | hsl(214, 87%, 88%) |
| OKLCH | oklch(88.7% 0.049 255.9) |
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 #C5DCFB | 1.39:1 | Fails | Lc -22.1 | Dividers and decoration only |
| Black text on #C5DCFB | 15.00:1 | AAA | Lc 84.3 | Fine for body text |
| #C5DCFB text on white | 1.39:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #C5DCFB 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200 (this color)
#C5DCFB
oklch(88.7% 0.049 255.9)
-
Step 300
300
#A6C3EA
oklch(80.9% 0.064 255.9)
-
Step 400
400
#76A3DF
oklch(70.7% 0.101 255.9)
-
Step 500
500
#518BD7
oklch(63.2% 0.13 255.8)
-
Step 600
600
#3473C4
oklch(55.6% 0.142 256)
-
Step 700
700
#2660A9
oklch(49% 0.131 255.9)
-
Step 800
800
#214F89
oklch(42.7% 0.109 255.7)
-
Step 900
900
#20426E
oklch(37.7% 0.086 255.8)
-
Step 950
950
#142740
oklch(27% 0.053 255.8)
#C5DCFB 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) | #D1DDFD | 0.016 |
| Deuteranopia (no green cones) | #CCD8FA | 0.013 |
| Tritanopia (no blue cones) | #B7E3E6 | 0.044 |
| Achromatopsia (no color) | #DADADA | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DCFB
#C5DCFB
oklch(88.7% 0.049 255.9)
- #EDD6B6
#EDD6B6
oklch(88.7% 0.05 76.1)
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 #C5DCFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.044
- Gainsboro #DCDCDC ΔE 0.050
- Lavender #E6E6FA ΔE 0.053
- Light Gray #D3D3D3 ΔE 0.054
- Pale Silver #D8E2DC ΔE 0.055
- Diamond #B9F2FF ΔE 0.057
Use #C5DCFB 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.