#89AACC
Closest named color: Cool Steel (#97A7B3). oklch(72.6% 0.062 249.5), rgb(137, 170, 204).
Aa
Black text reads best on this color (8.68:1).
About this color
#89AACC is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.062 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.037 away. Black text reads best on it, at 8.68:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.68:1 |
| White text | 2.41:1 |
Values
| HEX | #89AACC |
| RGB | rgb(137, 170, 204) |
| HSL | hsl(210, 40%, 67%) |
| OKLCH | oklch(72.6% 0.062 249.5) |
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 #89AACC | 2.41:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #89AACC | 8.68:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #89AACC text on white | 2.41:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #89AACC text on black | 8.68:1 | AAA | Lc -54.4 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AEC3D9
oklch(80.8% 0.039 249.5)
-
Step 400
400 (this color)
#89AACC
oklch(72.6% 0.062 249.5)
-
Step 500
500
#648DB7
oklch(63% 0.078 249.7)
-
Step 600
600
#4A77A3
oklch(55.6% 0.085 249.1)
-
Step 700
700
#3B648C
oklch(49.1% 0.079 249.2)
-
Step 800
800
#315272
oklch(42.8% 0.066 248.9)
-
Step 900
900
#2C445C
oklch(37.8% 0.051 249.3)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#89AACC 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) | #9DABCE | 0.026 |
| Deuteranopia (no green cones) | #95A4CB | 0.021 |
| Tritanopia (no blue cones) | #74B2B5 | 0.053 |
| Achromatopsia (no color) | #A7A7A7 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #89AACC
#89AACC
oklch(72.6% 0.062 249.5)
- #C0A07D
#C0A07D
oklch(72.6% 0.061 69.1)
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 #89AACC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.037
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.053
- Cool Gray #8D99AE ΔE 0.054
- Light Grey Blue #9DBCD4 ΔE 0.057
- Dark Gray #A9A9A9 ΔE 0.062
Use #89AACC 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.