#CBDDFB
Closest named color: Cadet Gray (#CED4DA). oklch(89.4% 0.046 260.7), rgb(203, 221, 251).
Aa
Black text reads best on this color (15.27:1).
About this color
#CBDDFB is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.046 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.044 away. Black text reads best on it, at 15.27:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.27:1 |
| White text | 1.37:1 |
Values
| HEX | #CBDDFB |
| RGB | rgb(203, 221, 251) |
| HSL | hsl(218, 86%, 89%) |
| OKLCH | oklch(89.4% 0.046 260.7) |
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 #CBDDFB | 1.37:1 | Fails | Lc -20.9 | Dividers and decoration only |
| Black text on #CBDDFB | 15.27:1 | AAA | Lc 85.4 | Fine for body text |
| #CBDDFB text on white | 1.37:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #CBDDFB text on black | 15.27:1 | AAA | Lc -85.3 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF6
oklch(93.5% 0.018 261.3)
-
Step 200
200 (this color)
#CBDDFB
oklch(89.4% 0.046 260.7)
-
Step 300
300
#ABC2E7
oklch(80.9% 0.058 259.9)
-
Step 400
400
#7FA1DC
oklch(70.7% 0.095 261.1)
-
Step 500
500
#5E89D2
oklch(63.1% 0.12 260.5)
-
Step 600
600
#4571BF
oklch(55.5% 0.131 261)
-
Step 700
700
#365FA5
oklch(49.2% 0.122 260.4)
-
Step 800
800
#2D4E85
oklch(42.7% 0.1 260.1)
-
Step 900
900
#29416B
oklch(37.7% 0.078 260.9)
-
Step 950
950
#18263F
oklch(27% 0.051 261.4)
#CBDDFB 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) | #D3DEFC | 0.011 |
| Deuteranopia (no green cones) | #CFDAFA | 0.009 |
| Tritanopia (no blue cones) | #BFE3E7 | 0.040 |
| Achromatopsia (no color) | #DCDCDC | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CBDDFB
#CBDDFB
oklch(89.4% 0.046 260.7)
- #ECD9BB
#ECD9BB
oklch(89.3% 0.045 79.3)
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 #CBDDFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.044
- Lavender #E6E6FA ΔE 0.044
- Gainsboro #DCDCDC ΔE 0.046
- Powder Blue #B0E0E6 ΔE 0.048
- Light Blue #ADD8E6 ΔE 0.050
- Pale Silver #D8E2DC ΔE 0.051
- Platinum #E0E1DD ΔE 0.052
- Light Gray #D3D3D3 ΔE 0.053
Use #CBDDFB 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.