#ADC4E9
Closest named color: Light Steel Blue (#B0C4DE). oklch(81.5% 0.058 259.9), rgb(173, 196, 233).
Aa
Black text reads best on this color (11.84:1).
About this color
#ADC4E9 is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.058 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.016 away. Black text reads best on it, at 11.84:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.84:1 |
| White text | 1.77:1 |
Values
| HEX | #ADC4E9 |
| RGB | rgb(173, 196, 233) |
| HSL | hsl(217, 58%, 80%) |
| OKLCH | oklch(81.5% 0.058 259.9) |
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 #ADC4E9 | 1.77:1 | Fails | Lc -36.6 | Non-text elements, placeholder text |
| Black text on #ADC4E9 | 11.84:1 | AAA | Lc 71.3 | Content text, not long reading |
| #ADC4E9 text on white | 1.77:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #ADC4E9 text on black | 11.84:1 | AAA | Lc -70.1 | Content text, not long reading |
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 300.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EAF5
oklch(93.5% 0.017 259.4)
-
Step 200
200
#CDDAEF
oklch(88.5% 0.032 260)
-
Step 300
300 (this color)
#ADC4E9
oklch(81.5% 0.058 259.9)
-
Step 400
400
#7EA2DB
oklch(70.8% 0.093 259.4)
-
Step 500
500
#5E89D1
oklch(63.1% 0.119 260.2)
-
Step 600
600
#4472BE
oklch(55.6% 0.129 259.9)
-
Step 700
700
#355FA4
oklch(49.1% 0.121 259.8)
-
Step 800
800
#2D4E85
oklch(42.7% 0.1 260.1)
-
Step 900
900
#28416A
oklch(37.6% 0.077 259.8)
-
Step 950
950
#18263E
oklch(26.9% 0.049 260.7)
#ADC4E9 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) | #B8C6EB | 0.016 |
| Deuteranopia (no green cones) | #B2C0E8 | 0.011 |
| Tritanopia (no blue cones) | #9DCCD0 | 0.052 |
| Achromatopsia (no color) | #C2C2C2 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADC4E9
#ADC4E9
oklch(81.5% 0.058 259.9)
- #D7BF99
#D7BF99
oklch(81.5% 0.058 79.2)
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 #ADC4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.016
- Cloudy Blue #ACC2D9 ΔE 0.022
- Light Blue Grey #B7C9E2 ΔE 0.023
- Baby Blue #A2CFFE ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Pastel Blue #A2BFFE ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.039
- Light Grey Blue #9DBCD4 ΔE 0.040
Use #ADC4E9 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.