#A4CDDE
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.5% 0.049 225.1), rgb(164, 205, 222).
Aa
Black text reads best on this color (12.36:1).
About this color
#A4CDDE is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.049 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.027 away. Black text reads best on it, at 12.36:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.36:1 |
| White text | 1.69:1 |
Values
| HEX | #A4CDDE |
| RGB | rgb(164, 205, 222) |
| HSL | hsl(198, 47%, 76%) |
| OKLCH | oklch(82.5% 0.049 225.1) |
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 #A4CDDE | 1.69:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #A4CDDE | 12.36:1 | AAA | Lc 73.5 | Content text, not long reading |
| #A4CDDE text on white | 1.69:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #A4CDDE text on black | 12.36:1 | AAA | Lc -72.5 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DDE7
oklch(88.4% 0.027 226.8)
-
Step 300
300 (this color)
#A4CDDE
oklch(82.5% 0.049 225.1)
-
Step 400
400
#67ABC6
oklch(70.6% 0.079 225.5)
-
Step 500
500
#3596B7
oklch(63.1% 0.101 224.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#0C495C
oklch(37.8% 0.066 224.5)
-
Step 950
950
#0B2B36
oklch(27.1% 0.042 224.5)
#A4CDDE 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) | #C4CBDF | 0.040 |
| Deuteranopia (no green cones) | #BBC4DE | 0.035 |
| Tritanopia (no blue cones) | #92D2D2 | 0.033 |
| Achromatopsia (no color) | #C7C7C7 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4CDDE
#A4CDDE
oklch(82.5% 0.049 225.1)
- #E2BCAC
#E2BCAC
oklch(82.4% 0.049 44.1)
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 #A4CDDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.032
- Sky Blue #87CEEB ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Celeste #A8DADC ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.045
Use #A4CDDE 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.