#CBD5EF
Closest named color: Cadet Gray (#CED4DA). oklch(87.4% 0.038 268.9), rgb(203, 213, 239).
Aa
Black text reads best on this color (14.30:1).
About this color
#CBD5EF is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.038 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.029 away. Black text reads best on it, at 14.30:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.30:1 |
| White text | 1.46:1 |
Values
| HEX | #CBD5EF |
| RGB | rgb(203, 213, 239) |
| HSL | hsl(223, 53%, 87%) |
| OKLCH | oklch(87.4% 0.038 268.9) |
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 #CBD5EF | 1.46:1 | Fails | Lc -25.2 | Dividers and decoration only |
| Black text on #CBD5EF | 14.30:1 | AAA | Lc 81.5 | Fine for body text |
| #CBD5EF text on white | 1.46:1 | Fails | Lc 22.2 | Dividers and decoration only |
| #CBD5EF text on black | 14.30:1 | AAA | Lc -81.1 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200 (this color)
#CBD5EF
oklch(87.4% 0.038 268.9)
-
Step 300
300
#B4C0E1
oklch(80.9% 0.049 269.5)
-
Step 400
400
#8D9FD2
oklch(70.7% 0.078 269.3)
-
Step 500
500
#7187C6
oklch(63.2% 0.099 268.8)
-
Step 600
600
#596FB2
oklch(55.5% 0.108 268.9)
-
Step 700
700
#495D99
oklch(49% 0.1 268.6)
-
Step 800
800
#3C4C7C
oklch(42.6% 0.083 268.8)
-
Step 900
900
#334064
oklch(37.7% 0.064 268.1)
-
Step 950
950
#1E253B
oklch(26.9% 0.042 269.9)
#CBD5EF 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) | #CED7F0 | 0.007 |
| Deuteranopia (no green cones) | #CBD4EE | 0.003 |
| Tritanopia (no blue cones) | #C3DADD | 0.034 |
| Achromatopsia (no color) | #D5D5D5 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBD5EF
#CBD5EF
oklch(87.4% 0.038 268.9)
- #DFD5BA
#DFD5BA
oklch(87.4% 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 #CBD5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.029
- Light Gray #D3D3D3 ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.041
- Gainsboro #DCDCDC ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.047
- Light Periwinkle #C1C6FC ΔE 0.051
- Pale Lilac #E4CBFF ΔE 0.051
Use #CBD5EF 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.