#C3E5EF
Closest named color: Powder Blue (#B0E0E6). oklch(90.1% 0.038 217.4), rgb(195, 229, 239).
Aa
Black text reads best on this color (15.77:1).
About this color
#C3E5EF is a very light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.038 and its hue 217°. 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 15.77:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.77:1 |
| White text | 1.33:1 |
Values
| HEX | #C3E5EF |
| RGB | rgb(195, 229, 239) |
| HSL | hsl(194, 58%, 85%) |
| OKLCH | oklch(90.1% 0.038 217.4) |
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 #C3E5EF | 1.33:1 | Fails | Lc -18.7 | Dividers and decoration only |
| Black text on #C3E5EF | 15.77:1 | AAA | Lc 87.3 | Fine for body text |
| #C3E5EF text on white | 1.33:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #C3E5EF text on black | 15.77:1 | AAA | Lc -87.4 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200 (this color)
#C3E5EF
oklch(90.1% 0.038 217.4)
-
Step 300
300
#9EC9D6
oklch(80.9% 0.049 218.2)
-
Step 400
400
#64ADC1
oklch(70.7% 0.078 217.5)
-
Step 500
500
#2D98B1
oklch(63.1% 0.1 217.1)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900
#054A58
oklch(37.8% 0.065 216.5)
-
Step 950
950
#092B34
oklch(27% 0.041 219)
#C3E5EF 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) | #DEE2F0 | 0.034 |
| Deuteranopia (no green cones) | #D7DDEF | 0.031 |
| Tritanopia (no blue cones) | #B7E9E8 | 0.022 |
| Achromatopsia (no color) | #DFDFDF | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3E5EF
#C3E5EF
oklch(90.1% 0.038 217.4)
- #F6D6CC
#F6D6CC
oklch(90% 0.038 38.1)
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 #C3E5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.030
- Pale Turquoise #AFEEEE ΔE 0.032
- Pale Silver #D8E2DC ΔE 0.033
- Diamond #B9F2FF ΔE 0.034
- Gainsboro #DCDCDC ΔE 0.039
- Platinum #E0E1DD ΔE 0.040
- Pale Sky Blue #BDF6FE ΔE 0.043
- Cadet Gray #CED4DA ΔE 0.045
Use #C3E5EF 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.