#D3EFEB
Closest named color: Duck Egg Blue (#C3FBF4). oklch(93.1% 0.03 186.3), rgb(211, 239, 235).
Aa
Black text reads best on this color (17.31:1).
About this color
#D3EFEB is a very light close to neutral grey. In OKLCH its lightness is 93%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Duck Egg Blue (#C3FBF4), ΔE 0.032 away. Black text reads best on it, at 17.31:1.
| Hue family | Neutrals |
| Lightness | very light (93%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Duck Egg Blue (#C3FBF4) |
| Black text | 17.31:1 |
| White text | 1.21:1 |
Values
| HEX | #D3EFEB |
| RGB | rgb(211, 239, 235) |
| HSL | hsl(171, 47%, 88%) |
| OKLCH | oklch(93.1% 0.03 186.3) |
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 #D3EFEB | 1.21:1 | Fails | Lc -12.2 | Not readable |
| Black text on #D3EFEB | 17.31:1 | AAA | Lc 93.1 | Preferred for body text |
| #D3EFEB text on white | 1.21:1 | Fails | Lc 10.5 | Not readable |
| #D3EFEB text on black | 17.31:1 | AAA | Lc -93.7 | Preferred 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 100.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100 (this color)
#D3EFEB
oklch(93.1% 0.03 186.3)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400
#74ADA6
oklch(70.6% 0.061 186.2)
-
Step 500
500
#4B9991
oklch(63.1% 0.078 186.6)
-
Step 600
600
#27837B
oklch(55.5% 0.085 186.6)
-
Step 700
700
#186F68
oklch(49.1% 0.079 186.8)
-
Step 800
800
#185A54
oklch(42.5% 0.065 186.3)
-
Step 900
900
#1C4A46
oklch(37.6% 0.051 187.5)
-
Step 950
950
#122C29
oklch(27.1% 0.033 185.7)
#D3EFEB 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) | #ECECEB | 0.032 |
| Deuteranopia (no green cones) | #E6E7EB | 0.030 |
| Tritanopia (no blue cones) | #CCF0EE | 0.009 |
| Achromatopsia (no color) | #E9E9E9 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D3EFEB
#D3EFEB
oklch(93.1% 0.03 186.3)
- #FBE0E5
#FBE0E5
oklch(93% 0.03 5)
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 #D3EFEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Duck Egg Blue #C3FBF4 ΔE 0.032
- Pale Sky Blue #BDF6FE ΔE 0.033
- Pale Silver #D8E2DC ΔE 0.033
- Platinum #E0E1DD ΔE 0.036
- Diamond #B9F2FF ΔE 0.036
- Anti-Flash White #EDF2F4 ΔE 0.037
- Pale Blue #D0FEFE ΔE 0.039
- Light Light Blue #CAFFFB ΔE 0.040
Use #D3EFEB 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.