#CBDBF9
Closest named color: Cadet Gray (#CED4DA). oklch(88.9% 0.045 263.1), rgb(203, 219, 249).
Aa
Black text reads best on this color (15.03:1).
About this color
#CBDBF9 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.045 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.041 away. Black text reads best on it, at 15.03:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.03:1 |
| White text | 1.39:1 |
Values
| HEX | #CBDBF9 |
| RGB | rgb(203, 219, 249) |
| HSL | hsl(219, 79%, 89%) |
| OKLCH | oklch(88.9% 0.045 263.1) |
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 #CBDBF9 | 1.39:1 | Fails | Lc -21.9 | Dividers and decoration only |
| Black text on #CBDBF9 | 15.03:1 | AAA | Lc 84.5 | Fine for body text |
| #CBDBF9 text on white | 1.39:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #CBDBF9 text on black | 15.03:1 | AAA | Lc -84.3 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200 (this color)
#CBDBF9
oklch(88.9% 0.045 263.1)
-
Step 300
300
#ADC1E7
oklch(80.9% 0.058 263.2)
-
Step 400
400
#82A0DB
oklch(70.6% 0.093 263.4)
-
Step 500
500
#6388D1
oklch(63.1% 0.118 263)
-
Step 600
600
#4A70BE
oklch(55.5% 0.129 263.2)
-
Step 700
700
#3C5EA4
oklch(49.2% 0.119 263.2)
-
Step 800
800
#314D85
oklch(42.7% 0.099 262.8)
-
Step 900
900
#2B406A
oklch(37.6% 0.077 263.1)
-
Step 950
950
#1A263E
oklch(27% 0.048 263.3)
#CBDBF9 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) | #D2DCFA | 0.010 |
| Deuteranopia (no green cones) | #CDD8F8 | 0.008 |
| Tritanopia (no blue cones) | #C0E1E5 | 0.040 |
| Achromatopsia (no color) | #DADADA | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBDBF9
#CBDBF9
oklch(88.9% 0.045 263.1)
- #E9D8B9
#E9D8B9
oklch(88.8% 0.045 82.6)
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 #CBDBF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.041
- Gainsboro #DCDCDC ΔE 0.045
- Lavender #E6E6FA ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.048
- Powder Blue #B0E0E6 ΔE 0.048
- Light Gray #D3D3D3 ΔE 0.050
- Pale Silver #D8E2DC ΔE 0.052
- Platinum #E0E1DD ΔE 0.053
Use #CBDBF9 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.