#C4E5FD
Closest named color: Diamond (#B9F2FF). oklch(90.6% 0.048 239.7), rgb(196, 229, 253).
Aa
Black text reads best on this color (15.97:1).
About this color
#C4E5FD is a very light, muted blue. In OKLCH its lightness is 91%, its chroma 0.048 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.034 away. Black text reads best on it, at 15.97:1.
| Hue family | Blues |
| Lightness | very light (91%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 15.97:1 |
| White text | 1.31:1 |
Values
| HEX | #C4E5FD |
| RGB | rgb(196, 229, 253) |
| HSL | hsl(205, 93%, 88%) |
| OKLCH | oklch(90.6% 0.048 239.7) |
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 #C4E5FD | 1.31:1 | Fails | Lc -17.9 | Dividers and decoration only |
| Black text on #C4E5FD | 15.97:1 | AAA | Lc 88.1 | Fine for body text |
| #C4E5FD text on white | 1.31:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #C4E5FD text on black | 15.97:1 | AAA | Lc -88.2 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200 (this color)
#C4E5FD
oklch(90.6% 0.048 239.7)
-
Step 300
300
#9DC7E5
oklch(81% 0.062 239.6)
-
Step 400
400
#63A9D8
oklch(70.7% 0.099 239.6)
-
Step 500
500
#2E92CD
oklch(63% 0.126 239.7)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#074668
oklch(37.6% 0.082 239.9)
-
Step 950
950
#09293D
oklch(26.9% 0.052 240.5)
#C4E5FD 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) | #DBE4FE | 0.029 |
| Deuteranopia (no green cones) | #D3DEFD | 0.025 |
| Tritanopia (no blue cones) | #B4EBED | 0.037 |
| Achromatopsia (no color) | #E0E0E0 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C4E5FD
#C4E5FD
oklch(90.6% 0.048 239.7)
- #F9D9C1
#F9D9C1
oklch(90.6% 0.048 59)
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 #C4E5FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.042
- Lavender #E6E6FA ΔE 0.043
- Pale Turquoise #AFEEEE ΔE 0.044
- Pale Sky Blue #BDF6FE ΔE 0.044
- Pale Silver #D8E2DC ΔE 0.047
- Gainsboro #DCDCDC ΔE 0.049
- Platinum #E0E1DD ΔE 0.051
Use #C4E5FD 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.