#CBDDF3
Closest named color: Cadet Gray (#CED4DA). oklch(89.1% 0.036 253.5), rgb(203, 221, 243).
Aa
Black text reads best on this color (15.17:1).
About this color
#CBDDF3 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.036 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.035 away. Black text reads best on it, at 15.17:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.17:1 |
| White text | 1.38:1 |
Values
| HEX | #CBDDF3 |
| RGB | rgb(203, 221, 243) |
| HSL | hsl(213, 62%, 87%) |
| OKLCH | oklch(89.1% 0.036 253.5) |
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 #CBDDF3 | 1.38:1 | Fails | Lc -21.3 | Dividers and decoration only |
| Black text on #CBDDF3 | 15.17:1 | AAA | Lc 85.0 | Fine for body text |
| #CBDDF3 text on white | 1.38:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #CBDDF3 text on black | 15.17:1 | AAA | Lc -84.8 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200 (this color)
#CBDDF3
oklch(89.1% 0.036 253.5)
-
Step 300
300
#ACC3DF
oklch(80.9% 0.047 253.5)
-
Step 400
400
#80A4CE
oklch(70.8% 0.073 252.7)
-
Step 500
500
#608CC2
oklch(63.1% 0.095 254.1)
-
Step 600
600
#4576AE
oklch(55.7% 0.103 252.9)
-
Step 700
700
#376396
oklch(49.2% 0.096 253.4)
-
Step 800
800
#2E5179
oklch(42.8% 0.078 252.9)
-
Step 900
900
#294362
oklch(37.7% 0.062 253.6)
-
Step 950
950
#182739
oklch(26.8% 0.04 253.6)
#CBDDF3 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) | #D5DDF4 | 0.013 |
| Deuteranopia (no green cones) | #D1D9F3 | 0.012 |
| Tritanopia (no blue cones) | #C1E2E4 | 0.031 |
| Achromatopsia (no color) | #DBDBDB | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBDDF3
#CBDDF3
oklch(89.1% 0.036 253.5)
- #EAD8C2
#EAD8C2
oklch(89.1% 0.036 72.9)
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 #CBDDF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.035
- Gainsboro #DCDCDC ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.040
- Pale Silver #D8E2DC ΔE 0.041
- Light Gray #D3D3D3 ΔE 0.043
- Platinum #E0E1DD ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.044
- Lavender #E6E6FA ΔE 0.045
Use #CBDDF3 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.