#D3F9FF
Closest named color: Pale Blue (#D0FEFE). oklch(95.7% 0.04 208.1), rgb(211, 249, 255).
Aa
Black text reads best on this color (18.76:1).
About this color
#D3F9FF is a very light, muted teal or cyan. In OKLCH its lightness is 96%, its chroma 0.040 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Blue (#D0FEFE), ΔE 0.014 away. Black text reads best on it, at 18.76:1.
| Hue family | Teals and cyans |
| Lightness | very light (96%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Pale Blue (#D0FEFE) |
| Black text | 18.76:1 |
| White text | 1.11:1 |
Values
| HEX | #D3F9FF |
| RGB | rgb(211, 249, 255) |
| HSL | hsl(188, 100%, 91%) |
| OKLCH | oklch(95.7% 0.04 208.1) |
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 #D3F9FF | 1.11:1 | Fails | Lc 0.0 | Not readable |
| Black text on #D3F9FF | 18.76:1 | AAA | Lc 98.3 | Preferred for body text |
| #D3F9FF text on white | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #D3F9FF text on black | 18.76:1 | AAA | Lc -99.4 | 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 50.
-
Step 50
50 (this color)
#D3F9FF
oklch(95.7% 0.04 208.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE3
oklch(88.5% 0.029 207.4)
-
Step 300
300
#9ACAD2
oklch(80.8% 0.051 208.8)
-
Step 400
400
#5DAFBB
oklch(70.7% 0.082 207.9)
-
Step 500
500
#159BAB
oklch(63.2% 0.105 208.1)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#042C31
oklch(26.9% 0.043 207.4)
#D3F9FF 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) | #F2F6FF | 0.038 |
| Deuteranopia (no green cones) | #EAEFFF | 0.036 |
| Tritanopia (no blue cones) | #C6FDFB | 0.020 |
| Achromatopsia (no color) | #F2F2F2 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D3F9FF
#D3F9FF
oklch(95.7% 0.04 208.1)
- #FFECE9
#FFECE9
oklch(95.7% 0.021 28.3)
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 #D3F9FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Blue #D0FEFE ΔE 0.014
- Really Light Blue #D4FFFF ΔE 0.016
- Very Light Blue #D5FFFF ΔE 0.016
- Very Pale Blue #D6FFFE ΔE 0.017
- Ice Blue #D7FFFE ΔE 0.017
- Ice #D6FFFA ΔE 0.020
- Light Light Blue #CAFFFB ΔE 0.021
- Light Cyan #E0FFFF ΔE 0.023
Use #D3F9FF 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.