#DDF8FB
Closest named color: Ice Blue (#D7FFFE). oklch(96% 0.028 204.8), rgb(221, 248, 251).
Aa
Black text reads best on this color (18.89:1).
About this color
#DDF8FB is a very light close to neutral grey. In OKLCH its lightness is 96%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Ice Blue (#D7FFFE), ΔE 0.018 away. Black text reads best on it, at 18.89:1.
| Hue family | Neutrals |
| Lightness | very light (96%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Ice Blue (#D7FFFE) |
| Black text | 18.89:1 |
| White text | 1.11:1 |
Values
| HEX | #DDF8FB |
| RGB | rgb(221, 248, 251) |
| HSL | hsl(186, 79%, 93%) |
| OKLCH | oklch(96% 0.028 204.8) |
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 #DDF8FB | 1.11:1 | Fails | Lc 0.0 | Not readable |
| Black text on #DDF8FB | 18.89:1 | AAA | Lc 98.8 | Preferred for body text |
| #DDF8FB text on white | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #DDF8FB text on black | 18.89:1 | AAA | Lc -99.9 | 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)
#DDF8FB
oklch(96% 0.028 204.8)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A6C8CC
oklch(80.9% 0.037 205.2)
-
Step 400
400
#74ACB2
oklch(70.8% 0.059 204.4)
-
Step 500
500
#4C979F
oklch(63.2% 0.075 204.6)
-
Step 600
600
#2A818A
oklch(55.6% 0.081 205)
-
Step 700
700
#1B6D75
oklch(49.1% 0.076 204.8)
-
Step 800
800
#1A595F
oklch(42.8% 0.063 204.2)
-
Step 900
900
#1D494E
oklch(37.7% 0.049 205.4)
-
Step 950
950
#122B2E
oklch(27.1% 0.031 205.7)
#DDF8FB 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) | #F4F5FB | 0.029 |
| Deuteranopia (no green cones) | #EEF1FB | 0.027 |
| Tritanopia (no blue cones) | #D5FAF9 | 0.012 |
| Achromatopsia (no color) | #F3F3F3 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DDF8FB
#DDF8FB
oklch(96% 0.028 204.8)
- #FFEDEB
#FFEDEB
oklch(96% 0.02 25.2)
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 #DDF8FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ice Blue #D7FFFE ΔE 0.018
- Very Pale Blue #D6FFFE ΔE 0.018
- Light Cyan #E0FFFF ΔE 0.018
- Very Light Blue #D5FFFF ΔE 0.018
- Really Light Blue #D4FFFF ΔE 0.019
- Pale Blue #D0FEFE ΔE 0.020
- Ice #D6FFFA ΔE 0.020
- Anti-Flash White #EDF2F4 ΔE 0.023
Use #DDF8FB 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.