#C9D4FA
Closest named color: Light Periwinkle (#C1C6FC). oklch(87.4% 0.054 272.5), rgb(201, 212, 250).
Aa
Black text reads best on this color (14.28:1).
About this color
#C9D4FA is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.054 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.040 away. Black text reads best on it, at 14.28:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 14.28:1 |
| White text | 1.47:1 |
Values
| HEX | #C9D4FA |
| RGB | rgb(201, 212, 250) |
| HSL | hsl(227, 83%, 88%) |
| OKLCH | oklch(87.4% 0.054 272.5) |
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 #C9D4FA | 1.47:1 | Fails | Lc -25.3 | Dividers and decoration only |
| Black text on #C9D4FA | 14.28:1 | AAA | Lc 81.5 | Fine for body text |
| #C9D4FA text on white | 1.47:1 | Fails | Lc 22.3 | Dividers and decoration only |
| #C9D4FA text on black | 14.28:1 | AAA | Lc -81.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200 (this color)
#C9D4FA
oklch(87.4% 0.054 272.5)
-
Step 300
300
#B1BEEE
oklch(80.8% 0.07 272.9)
-
Step 400
400
#899CE6
oklch(70.8% 0.111 272.3)
-
Step 500
500
#6D81DF
oklch(63.1% 0.143 272.6)
-
Step 600
600
#5669CC
oklch(55.6% 0.154 272.3)
-
Step 700
700
#4757B1
oklch(49.2% 0.143 272.5)
-
Step 800
800
#3A478F
oklch(42.6% 0.119 272.7)
-
Step 900
900
#313C72
oklch(37.6% 0.093 272.5)
-
Step 950
950
#1D2443
oklch(27.1% 0.058 272.4)
#C9D4FA 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) | #C9D7FC | 0.008 |
| Deuteranopia (no green cones) | #C6D3F9 | 0.005 |
| Tritanopia (no blue cones) | #BDDBE0 | 0.049 |
| Achromatopsia (no color) | #D5D5D5 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9D4FA
#C9D4FA
oklch(87.4% 0.054 272.5)
- #E2D5AE
#E2D5AE
oklch(87.4% 0.053 91.8)
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 #C9D4FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.040
- Pale Lilac #E4CBFF ΔE 0.043
- Cadet Gray #CED4DA ΔE 0.045
- Light Blue Grey #B7C9E2 ΔE 0.047
- Light Lavender #DFC5FE ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.049
- Baby Blue #A2CFFE ΔE 0.051
- Pale Lavender #EECFFE ΔE 0.052
Use #C9D4FA 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.