#C9DBF3
Closest named color: Cadet Gray (#CED4DA). oklch(88.5% 0.038 255.6), rgb(201, 219, 243).
Aa
Black text reads best on this color (14.91:1).
About this color
#C9DBF3 is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.038 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.033 away. Black text reads best on it, at 14.91:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.91:1 |
| White text | 1.40:1 |
Values
| HEX | #C9DBF3 |
| RGB | rgb(201, 219, 243) |
| HSL | hsl(214, 64%, 87%) |
| OKLCH | oklch(88.5% 0.038 255.6) |
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 #C9DBF3 | 1.40:1 | Fails | Lc -22.5 | Dividers and decoration only |
| Black text on #C9DBF3 | 14.91:1 | AAA | Lc 84.0 | Fine for body text |
| #C9DBF3 text on white | 1.40:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #C9DBF3 text on black | 14.91:1 | AAA | Lc -83.7 | 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
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200 (this color)
#C9DBF3
oklch(88.5% 0.038 255.6)
-
Step 300
300
#ACC3E1
oklch(81% 0.049 255.1)
-
Step 400
400
#80A3D2
oklch(70.7% 0.079 255.9)
-
Step 500
500
#5F8CC6
oklch(63.2% 0.101 255.2)
-
Step 600
600
#4575B2
oklch(55.7% 0.109 255.2)
-
Step 700
700
#376299
oklch(49.2% 0.101 255.4)
-
Step 800
800
#2E507C
oklch(42.7% 0.084 255.5)
-
Step 900
900
#294364
oklch(37.8% 0.065 255)
-
Step 950
950
#18273B
oklch(27% 0.043 255.9)
#C9DBF3 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) | #D3DCF4 | 0.014 |
| Deuteranopia (no green cones) | #CED7F2 | 0.011 |
| Tritanopia (no blue cones) | #BFE0E3 | 0.033 |
| Achromatopsia (no color) | #D9D9D9 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DBF3
#C9DBF3
oklch(88.5% 0.038 255.6)
- #E8D6BE
#E8D6BE
oklch(88.4% 0.038 75.1)
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 #C9DBF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.033
- Gainsboro #DCDCDC ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.041
- Light Gray #D3D3D3 ΔE 0.043
- Pale Silver #D8E2DC ΔE 0.046
- Platinum #E0E1DD ΔE 0.048
- Lavender #E6E6FA ΔE 0.050
Use #C9DBF3 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.