#CDE3FB
Closest named color: Lavender (#E6E6FA). oklch(90.7% 0.04 250.6), rgb(205, 227, 251).
Aa
Black text reads best on this color (15.97:1).
About this color
#CDE3FB is a very light, muted blue. In OKLCH its lightness is 91%, its chroma 0.040 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender (#E6E6FA), ΔE 0.034 away. Black text reads best on it, at 15.97:1.
| Hue family | Blues |
| Lightness | very light (91%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Lavender (#E6E6FA) |
| Black text | 15.97:1 |
| White text | 1.31:1 |
Values
| HEX | #CDE3FB |
| RGB | rgb(205, 227, 251) |
| HSL | hsl(211, 85%, 89%) |
| OKLCH | oklch(90.7% 0.04 250.6) |
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 #CDE3FB | 1.31:1 | Fails | Lc -17.9 | Dividers and decoration only |
| Black text on #CDE3FB | 15.97:1 | AAA | Lc 88.1 | Fine for body text |
| #CDE3FB text on white | 1.31:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #CDE3FB text on black | 15.97:1 | AAA | Lc -88.2 | Fine 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 200.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200 (this color)
#CDE3FB
oklch(90.7% 0.04 250.6)
-
Step 300
300
#A8C4E2
oklch(81% 0.052 250.3)
-
Step 400
400
#79A5D3
oklch(70.8% 0.083 250.2)
-
Step 500
500
#558DC8
oklch(63% 0.107 251)
-
Step 600
600
#3977B4
oklch(55.7% 0.115 250.3)
-
Step 700
700
#2B639B
oklch(49% 0.108 251)
-
Step 800
800
#25517E
oklch(42.7% 0.09 251.2)
-
Step 900
900
#234465
oklch(37.8% 0.069 250.1)
-
Step 950
950
#15283B
oklch(27.1% 0.044 249.7)
#CDE3FB 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) | #DAE3FC | 0.017 |
| Deuteranopia (no green cones) | #D5DEFB | 0.016 |
| Tritanopia (no blue cones) | #C1E8EB | 0.033 |
| Achromatopsia (no color) | #E0E0E0 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDE3FB
#CDE3FB
oklch(90.7% 0.04 250.6)
- #F2DCC4
#F2DCC4
oklch(90.6% 0.04 69.7)
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 #CDE3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender #E6E6FA ΔE 0.034
- Diamond #B9F2FF ΔE 0.042
- Gainsboro #DCDCDC ΔE 0.042
- Pale Silver #D8E2DC ΔE 0.043
- Platinum #E0E1DD ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.048
- Cadet Gray #CED4DA ΔE 0.050
- Pale Sky Blue #BDF6FE ΔE 0.050
Use #CDE3FB 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.