#D3EEF3
Closest named color: Pale Sky Blue (#BDF6FE). oklch(93.1% 0.029 210), rgb(211, 238, 243).
Aa
Black text reads best on this color (17.29:1).
About this color
#D3EEF3 is a very light close to neutral grey. In OKLCH its lightness is 93%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.030 away. Black text reads best on it, at 17.29:1.
| Hue family | Neutrals |
| Lightness | very light (93%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.29:1 |
| White text | 1.21:1 |
Values
| HEX | #D3EEF3 |
| RGB | rgb(211, 238, 243) |
| HSL | hsl(189, 57%, 89%) |
| OKLCH | oklch(93.1% 0.029 210) |
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 #D3EEF3 | 1.21:1 | Fails | Lc -12.3 | Not readable |
| Black text on #D3EEF3 | 17.29:1 | AAA | Lc 93.0 | Preferred for body text |
| #D3EEF3 text on white | 1.21:1 | Fails | Lc 10.5 | Not readable |
| #D3EEF3 text on black | 17.29:1 | AAA | Lc -93.6 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100 (this color)
#D3EEF3
oklch(93.1% 0.029 210)
-
Step 200
200
#CADDE1
oklch(88.5% 0.021 211.8)
-
Step 300
300
#A6C8CE
oklch(81% 0.037 209.5)
-
Step 400
400
#74ABB5
oklch(70.7% 0.059 210.1)
-
Step 500
500
#4B96A3
oklch(63% 0.077 210.2)
-
Step 600
600
#28808E
oklch(55.5% 0.083 210.2)
-
Step 700
700
#196C79
oklch(49% 0.077 210.6)
-
Step 800
800
#195862
oklch(42.6% 0.064 210.2)
-
Step 900
900
#1C4950
oklch(37.7% 0.05 209.1)
-
Step 950
950
#122B2F
oklch(27.1% 0.032 209)
#D3EEF3 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) | #E9ECF3 | 0.028 |
| Deuteranopia (no green cones) | #E3E7F3 | 0.026 |
| Tritanopia (no blue cones) | #CAF1EF | 0.015 |
| Achromatopsia (no color) | #E9E9E9 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D3EEF3
#D3EEF3
oklch(93.1% 0.029 210)
- #FBE2DD
#FBE2DD
oklch(93.2% 0.028 31.1)
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 #D3EEF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.030
- Diamond #B9F2FF ΔE 0.031
- Lavender #E6E6FA ΔE 0.035
- Anti-Flash White #EDF2F4 ΔE 0.036
- Pale Silver #D8E2DC ΔE 0.036
- Duck Egg Blue #C3FBF4 ΔE 0.037
- Platinum #E0E1DD ΔE 0.038
- Pale Blue #D0FEFE ΔE 0.039
Use #D3EEF3 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.