#C5CEE9
Closest named color: Light Blue Grey (#B7C9E2). oklch(85.3% 0.039 270.9), rgb(197, 206, 233).
Aa
Black text reads best on this color (13.37:1).
About this color
#C5CEE9 is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.039 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.025 away. Black text reads best on it, at 13.37:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.37:1 |
| White text | 1.56:1 |
Values
| HEX | #C5CEE9 |
| RGB | rgb(197, 206, 233) |
| HSL | hsl(225, 45%, 84%) |
| OKLCH | oklch(85.3% 0.039 270.9) |
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 #C5CEE9 | 1.56:1 | Fails | Lc -29.4 | Dividers and decoration only |
| Black text on #C5CEE9 | 13.37:1 | AAA | Lc 77.8 | Fine for body text |
| #C5CEE9 text on white | 1.56:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #C5CEE9 text on black | 13.37:1 | AAA | Lc -77.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200 (this color)
#C5CEE9
oklch(85.3% 0.039 270.9)
-
Step 300
300
#B4C0E2
oklch(81% 0.05 269.9)
-
Step 400
400
#8E9ED3
oklch(70.6% 0.08 271.3)
-
Step 500
500
#7286C7
oklch(63.1% 0.101 270.3)
-
Step 600
600
#5B6EB4
oklch(55.5% 0.111 270.9)
-
Step 700
700
#4B5C9B
oklch(49.1% 0.103 270.8)
-
Step 800
800
#3E4B7E
oklch(42.7% 0.086 271.5)
-
Step 900
900
#343F65
oklch(37.6% 0.067 270.7)
-
Step 950
950
#1F253B
oklch(27% 0.042 271.7)
#C5CEE9 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) | #C6D0EA | 0.005 |
| Deuteranopia (no green cones) | #C4CDE8 | 0.003 |
| Tritanopia (no blue cones) | #BDD3D7 | 0.034 |
| Achromatopsia (no color) | #CECECE | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5CEE9
#C5CEE9
oklch(85.3% 0.039 270.9)
- #D8CEB3
#D8CEB3
oklch(85.2% 0.038 90.1)
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 #C5CEE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.025
- Cadet Gray #CED4DA ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.040
- Light Steel Blue #B0C4DE ΔE 0.041
- Light Gray #D3D3D3 ΔE 0.041
- Thistle #D8BFD8 ΔE 0.043
- Baby Blue #A2CFFE ΔE 0.049
Use #C5CEE9 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.