#89ADDF
Closest named color: Carolina Blue (#8AB8FE). oklch(74% 0.083 256.7), rgb(137, 173, 223).
Aa
Black text reads best on this color (9.10:1).
About this color
#89ADDF is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.083 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Carolina Blue (#8AB8FE), ΔE 0.048 away. Black text reads best on it, at 9.10:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Carolina Blue (#8AB8FE) |
| Black text | 9.10:1 |
| White text | 2.30:1 |
Values
| HEX | #89ADDF |
| RGB | rgb(137, 173, 223) |
| HSL | hsl(215, 57%, 71%) |
| OKLCH | oklch(74% 0.083 256.7) |
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 #89ADDF | 2.30:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #89ADDF | 9.10:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #89ADDF text on white | 2.30:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #89ADDF text on black | 9.10:1 | AAA | Lc -56.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAEC
oklch(88.4% 0.029 256.5)
-
Step 300
300
#ACC3E2
oklch(81% 0.051 255.9)
-
Step 400
400 (this color)
#89ADDF
oklch(74% 0.083 256.7)
-
Step 500
500
#5E8BC9
oklch(63.1% 0.106 256.6)
-
Step 600
600
#4474B6
oklch(55.6% 0.116 256.7)
-
Step 700
700
#36619C
oklch(49.1% 0.107 256.7)
-
Step 800
800
#2D4F7F
oklch(42.6% 0.09 257.2)
-
Step 900
900
#294266
oklch(37.7% 0.069 257.5)
-
Step 950
950
#18273C
oklch(27% 0.044 256.9)
#89ADDF 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) | #9BAFE1 | 0.024 |
| Deuteranopia (no green cones) | #91A7DE | 0.018 |
| Tritanopia (no blue cones) | #6CB8BE | 0.073 |
| Achromatopsia (no color) | #ABABAB | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #89ADDF
#89ADDF
oklch(74% 0.083 256.7)
- #C9A46E
#C9A46E
oklch(74% 0.083 76.3)
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 #89ADDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carolina Blue #8AB8FE ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.056
- Cool Steel #97A7B3 ΔE 0.063
- Light Cornflower Blue #98C1D9 ΔE 0.063
- Bluegrey #85A3B2 ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.069
- Pastel Blue #A2BFFE ΔE 0.069
- Greyblue #77A1B5 ΔE 0.069
Use #89ADDF 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.