#C5CAEE
Closest named color: Light Periwinkle (#C1C6FC). oklch(84.7% 0.05 279), rgb(197, 202, 238).
Aa
Black text reads best on this color (13.05:1).
About this color
#C5CAEE is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.050 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Light Periwinkle (#C1C6FC), ΔE 0.026 away. Black text reads best on it, at 13.05:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Periwinkle (#C1C6FC) |
| Black text | 13.05:1 |
| White text | 1.60:1 |
Values
| HEX | #C5CAEE |
| RGB | rgb(197, 202, 238) |
| HSL | hsl(233, 55%, 85%) |
| OKLCH | oklch(84.7% 0.05 279) |
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 #C5CAEE | 1.60:1 | Fails | Lc -30.9 | Non-text elements, placeholder text |
| Black text on #C5CAEE | 13.05:1 | AAA | Lc 76.4 | Fine for body text |
| #C5CAEE text on white | 1.60:1 | Fails | Lc 27.4 | Dividers and decoration only |
| #C5CAEE text on black | 13.05:1 | AAA | Lc -75.6 | 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 300.
-
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
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300 (this color)
#C5CAEE
oklch(84.7% 0.05 279)
-
Step 400
400
#959CD3
oklch(70.8% 0.081 278.5)
-
Step 500
500
#7C82C7
oklch(63% 0.104 279.2)
-
Step 600
600
#666BB4
oklch(55.7% 0.113 279.1)
-
Step 700
700
#55599A
oklch(49.1% 0.103 279.2)
-
Step 800
800
#45497D
oklch(42.7% 0.086 278.8)
-
Step 900
900
#3A3D65
oklch(37.6% 0.068 279.3)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#C5CAEE 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) | #C1CDF0 | 0.008 |
| Deuteranopia (no green cones) | #BFCBED | 0.008 |
| Tritanopia (no blue cones) | #BCD0D6 | 0.044 |
| Achromatopsia (no color) | #CCCCCC | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5CAEE
#C5CAEE
oklch(84.7% 0.05 279)
- #D4CEA9
#D4CEA9
oklch(84.7% 0.05 99.7)
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 #C5CAEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Periwinkle #C1C6FC ΔE 0.026
- Light Blue Grey #B7C9E2 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.039
- Thistle #D8BFD8 ΔE 0.040
- Baby Blue #A2CFFE ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.046
- Light Lavender #DFC5FE ΔE 0.047
- Cloudy Blue #ACC2D9 ΔE 0.049
Use #C5CAEE 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.