#C3E3FF
Closest named color: Diamond (#B9F2FF). oklch(90.2% 0.051 244.8), rgb(195, 227, 255).
Aa
Black text reads best on this color (15.75:1).
About this color
#C3E3FF is a very light, muted blue. In OKLCH its lightness is 90%, its chroma 0.051 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.040 away. Black text reads best on it, at 15.75:1.
| Hue family | Blues |
| Lightness | very light (90%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 15.75:1 |
| White text | 1.33:1 |
Values
| HEX | #C3E3FF |
| RGB | rgb(195, 227, 255) |
| HSL | hsl(208, 100%, 88%) |
| OKLCH | oklch(90.2% 0.051 244.8) |
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 #C3E3FF | 1.33:1 | Fails | Lc -18.8 | Dividers and decoration only |
| Black text on #C3E3FF | 15.75:1 | AAA | Lc 87.2 | Fine for body text |
| #C3E3FF text on white | 1.33:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #C3E3FF text on black | 15.75:1 | AAA | Lc -87.3 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF6
oklch(93.7% 0.019 243)
-
Step 200
200 (this color)
#C3E3FF
oklch(90.2% 0.051 244.8)
-
Step 300
300
#9DC6E9
oklch(80.9% 0.066 244.5)
-
Step 400
400
#65A7DE
oklch(70.7% 0.106 245.2)
-
Step 500
500
#3290D5
oklch(63.1% 0.135 244.9)
-
Step 600
600
#0079BE
oklch(55.6% 0.139 244.6)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#0A456D
oklch(37.7% 0.089 245)
-
Step 950
950
#0A2940
oklch(27.1% 0.056 244.7)
#C3E3FF 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) | #D8E3FF | 0.026 |
| Deuteranopia (no green cones) | #D0DCFE | 0.023 |
| Tritanopia (no blue cones) | #B2EAEC | 0.043 |
| Achromatopsia (no color) | #DFDFDF | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3E3FF
#C3E3FF
oklch(90.2% 0.051 244.8)
- #F7D8BC
#F7D8BC
oklch(90.1% 0.051 64.2)
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 #C3E3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.040
- Powder Blue #B0E0E6 ΔE 0.043
- Lavender #E6E6FA ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.049
- Light Blue #ADD8E6 ΔE 0.050
- Pale Sky Blue #BDF6FE ΔE 0.051
- Gainsboro #DCDCDC ΔE 0.052
- Pale Silver #D8E2DC ΔE 0.052
Use #C3E3FF 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.