#D9F3FF
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.9% 0.032 227.2), rgb(217, 243, 255).
Aa
Black text reads best on this color (18.21:1).
About this color
#D9F3FF is a very light, muted teal or cyan. In OKLCH its lightness is 95%, its chroma 0.032 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.027 away. Black text reads best on it, at 18.21:1.
| Hue family | Teals and cyans |
| Lightness | very light (95%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.21:1 |
| White text | 1.15:1 |
Values
| HEX | #D9F3FF |
| RGB | rgb(217, 243, 255) |
| HSL | hsl(199, 100%, 93%) |
| OKLCH | oklch(94.9% 0.032 227.2) |
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 #D9F3FF | 1.15:1 | Fails | Lc -8.4 | Not readable |
| Black text on #D9F3FF | 18.21:1 | AAA | Lc 96.4 | Preferred for body text |
| #D9F3FF text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #D9F3FF text on black | 18.21:1 | AAA | Lc -97.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100 (this color)
#D9F3FF
oklch(94.9% 0.032 227.2)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A6C7D5
oklch(81% 0.041 225.4)
-
Step 400
400
#74A9C0
oklch(70.6% 0.065 227)
-
Step 500
500
#4D94B1
oklch(63.2% 0.083 227)
-
Step 600
600
#2B7E9D
oklch(55.7% 0.091 227)
-
Step 700
700
#1D6A86
oklch(49.2% 0.084 227.2)
-
Step 800
800
#1B566D
oklch(42.6% 0.07 228.1)
-
Step 900
900
#1D4758
oklch(37.6% 0.055 227.5)
-
Step 950
950
#122A34
oklch(27.1% 0.035 227.4)
#D9F3FF 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) | #EDF1FF | 0.025 |
| Deuteranopia (no green cones) | #E7EDFF | 0.022 |
| Tritanopia (no blue cones) | #CFF7F7 | 0.021 |
| Achromatopsia (no color) | #EFEFEF | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D9F3FF
#D9F3FF
oklch(94.9% 0.032 227.2)
- #FFE9DF
#FFE9DF
oklch(94.9% 0.028 46.1)
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 #D9F3FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.027
- Pale Blue #D0FEFE ΔE 0.030
- Very Light Blue #D5FFFF ΔE 0.031
- Really Light Blue #D4FFFF ΔE 0.031
- Very Pale Blue #D6FFFE ΔE 0.032
- Ice Blue #D7FFFE ΔE 0.032
- Pale Sky Blue #BDF6FE ΔE 0.033
- Alice Blue #F0F8FF ΔE 0.033
Use #D9F3FF 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.