#C5DFEF
Closest named color: Powder Blue (#B0E0E6). oklch(88.9% 0.035 234.8), rgb(197, 223, 239).
Aa
Black text reads best on this color (15.17:1).
About this color
#C5DFEF is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.035 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.030 away. Black text reads best on it, at 15.17:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.17:1 |
| White text | 1.38:1 |
Values
| HEX | #C5DFEF |
| RGB | rgb(197, 223, 239) |
| HSL | hsl(203, 57%, 85%) |
| OKLCH | oklch(88.9% 0.035 234.8) |
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 #C5DFEF | 1.38:1 | Fails | Lc -21.3 | Dividers and decoration only |
| Black text on #C5DFEF | 15.17:1 | AAA | Lc 85.0 | Fine for body text |
| #C5DFEF text on white | 1.38:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #C5DFEF 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200 (this color)
#C5DFEF
oklch(88.9% 0.035 234.8)
-
Step 300
300
#A5C6DA
oklch(80.9% 0.045 234.7)
-
Step 400
400
#73A8C8
oklch(70.6% 0.073 235.7)
-
Step 500
500
#4B92BA
oklch(63% 0.093 235.6)
-
Step 600
600
#287CA6
oklch(55.6% 0.102 235)
-
Step 700
700
#1A688E
oklch(49% 0.094 235.3)
-
Step 800
800
#195573
oklch(42.6% 0.078 234.9)
-
Step 900
900
#1C475D
oklch(37.8% 0.06 233.9)
-
Step 950
950
#122937
oklch(26.9% 0.039 237.4)
#C5DFEF 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) | #D8DEF0 | 0.024 |
| Deuteranopia (no green cones) | #D2D9EF | 0.022 |
| Tritanopia (no blue cones) | #BAE3E4 | 0.026 |
| Achromatopsia (no color) | #DBDBDB | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C5DFEF
#C5DFEF
oklch(88.9% 0.035 234.8)
- #EED5C5
#EED5C5
oklch(88.9% 0.035 54.8)
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 #C5DFEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.030
- Cadet Gray #CED4DA ΔE 0.034
- Gainsboro #DCDCDC ΔE 0.036
- Pale Silver #D8E2DC ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.038
- Light Gray #D3D3D3 ΔE 0.042
- Platinum #E0E1DD ΔE 0.042
- Pale Turquoise #AFEEEE ΔE 0.045
Use #C5DFEF 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.