#C4CDEF
Closest named color: Light Blue Grey (#B7C9E2). oklch(85.2% 0.048 273.6), rgb(196, 205, 239).
Aa
Black text reads best on this color (13.32:1).
About this color
#C4CDEF is a light, muted blue. In OKLCH its lightness is 85%, its chroma 0.048 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.027 away. Black text reads best on it, at 13.32:1.
| Hue family | Blues |
| Lightness | light (85%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 13.32:1 |
| White text | 1.57:1 |
Values
| HEX | #C4CDEF |
| RGB | rgb(196, 205, 239) |
| HSL | hsl(227, 57%, 85%) |
| OKLCH | oklch(85.2% 0.048 273.6) |
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 #C4CDEF | 1.57:1 | Fails | Lc -29.6 | Dividers and decoration only |
| Black text on #C4CDEF | 13.32:1 | AAA | Lc 77.6 | Fine for body text |
| #C4CDEF text on white | 1.57:1 | Fails | Lc 26.2 | Dividers and decoration only |
| #C4CDEF text on black | 13.32:1 | AAA | Lc -76.8 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200 (this color)
#C4CDEF
oklch(85.2% 0.048 273.6)
-
Step 300
300
#B3BEEA
oklch(80.8% 0.063 273.9)
-
Step 400
400
#8D9CDF
oklch(70.7% 0.1 273.9)
-
Step 500
500
#7182D6
oklch(63% 0.128 273.5)
-
Step 600
600
#5B6AC3
oklch(55.6% 0.138 273.9)
-
Step 700
700
#4B58A9
oklch(49.1% 0.129 273.8)
-
Step 800
800
#3D4888
oklch(42.6% 0.106 273.7)
-
Step 900
900
#343D6D
oklch(37.7% 0.083 273.8)
-
Step 950
950
#1E2440
oklch(27% 0.053 273.2)
#C4CDEF 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) | #C4D0F1 | 0.008 |
| Deuteranopia (no green cones) | #C1CCEE | 0.005 |
| Tritanopia (no blue cones) | #BAD3D8 | 0.043 |
| Achromatopsia (no color) | #CECECE | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4CDEF
#C4CDEF
oklch(85.2% 0.048 273.6)
- #D9CFAB
#D9CFAB
oklch(85.3% 0.049 94.3)
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 #C4CDEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Periwinkle #C1C6FC ΔE 0.030
- Cadet Gray #CED4DA ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.044
- Thistle #D8BFD8 ΔE 0.045
- Light Lavender #DFC5FE ΔE 0.050
Use #C4CDEF 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.