#C9CFEB
Closest named color: Light Blue Grey (#B7C9E2). oklch(85.9% 0.039 276), rgb(201, 207, 235).
Aa
Black text reads best on this color (13.60:1).
About this color
#C9CFEB is a light, muted blue. In OKLCH its lightness is 86%, its chroma 0.039 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.031 away. Black text reads best on it, at 13.60:1.
| Hue family | Blues |
| Lightness | light (86%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.60:1 |
| White text | 1.54:1 |
Values
| HEX | #C9CFEB |
| RGB | rgb(201, 207, 235) |
| HSL | hsl(229, 46%, 85%) |
| OKLCH | oklch(85.9% 0.039 276) |
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 #C9CFEB | 1.54:1 | Fails | Lc -28.4 | Dividers and decoration only |
| Black text on #C9CFEB | 13.60:1 | AAA | Lc 78.7 | Fine for body text |
| #C9CFEB text on white | 1.54:1 | Fails | Lc 25.0 | Dividers and decoration only |
| #C9CFEB text on black | 13.60:1 | AAA | Lc -78.1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200 (this color)
#C9CFEB
oklch(85.9% 0.039 276)
-
Step 300
300
#B7BFE2
oklch(81% 0.05 275.1)
-
Step 400
400
#929DD3
oklch(70.7% 0.08 275.3)
-
Step 500
500
#7884C8
oklch(63.2% 0.103 275.4)
-
Step 600
600
#626CB4
oklch(55.6% 0.112 276.1)
-
Step 700
700
#515A9B
oklch(49.1% 0.104 275.9)
-
Step 800
800
#424A7E
oklch(42.7% 0.087 275.5)
-
Step 900
900
#383E65
oklch(37.7% 0.067 276)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#C9CFEB 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) | #C8D1EC | 0.005 |
| Deuteranopia (no green cones) | #C6CFEA | 0.004 |
| Tritanopia (no blue cones) | #C2D4D8 | 0.035 |
| Achromatopsia (no color) | #D0D0D0 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9CFEB
#C9CFEB
oklch(85.9% 0.039 276)
- #D8D1B4
#D8D1B4
oklch(85.9% 0.04 95.9)
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 #C9CFEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.031
- Cadet Gray #CED4DA ΔE 0.032
- Light Gray #D3D3D3 ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.043
- Thistle #D8BFD8 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.048
- Pale Lilac #E4CBFF ΔE 0.051
Use #C9CFEB 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.