#ADDAFF
Closest named color: Baby Blue (#A2CFFE). oklch(86.9% 0.07 243.5), rgb(173, 218, 255).
Aa
Black text reads best on this color (14.24:1).
About this color
#ADDAFF is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.070 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.033 away. Black text reads best on it, at 14.24:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 14.24:1 |
| White text | 1.47:1 |
Values
| HEX | #ADDAFF |
| RGB | rgb(173, 218, 255) |
| HSL | hsl(207, 100%, 84%) |
| OKLCH | oklch(86.9% 0.07 243.5) |
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 #ADDAFF | 1.47:1 | Fails | Lc -25.4 | Dividers and decoration only |
| Black text on #ADDAFF | 14.24:1 | AAA | Lc 81.4 | Fine for body text |
| #ADDAFF text on white | 1.47:1 | Fails | Lc 22.4 | Dividers and decoration only |
| #ADDAFF text on black | 14.24:1 | AAA | Lc -80.9 | 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
#EFF7FD
oklch(97.2% 0.012 239.9)
-
Step 100
100
#DCECFA
oklch(93.5% 0.026 244.4)
-
Step 200
200 (this color)
#ADDAFF
oklch(86.9% 0.07 243.5)
-
Step 300
300
#8DC8F7
oklch(81% 0.09 243.2)
-
Step 400
400
#40A9F3
oklch(70.8% 0.144 243.5)
-
Step 500
500
#0091DE
oklch(63.1% 0.153 243.2)
-
Step 600
600
#007ABC
oklch(55.7% 0.136 243.3)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900
#00456E
oklch(37.6% 0.092 243.7)
-
Step 950
950
#002944
oklch(27% 0.066 243.6)
#ADDAFF 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) | #CBDAFF | 0.036 |
| Deuteranopia (no green cones) | #C0D1FE | 0.031 |
| Tritanopia (no blue cones) | #93E3E6 | 0.057 |
| Achromatopsia (no color) | #D5D5D5 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDAFF
#ADDAFF
oklch(86.9% 0.07 243.5)
- #F5CBA5
#F5CBA5
oklch(86.9% 0.069 63.9)
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 #ADDAFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.043
- Light Blue Grey #B7C9E2 ΔE 0.050
- Celeste #A8DADC ΔE 0.051
- Light Periwinkle #C1C6FC ΔE 0.054
- Light Sky Blue #87CEFA ΔE 0.055
- Cadet Gray #CED4DA ΔE 0.059
Use #ADDAFF 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.