#89AEC9
Closest named color: Cool Steel (#97A7B3). oklch(73.3% 0.056 240.2), rgb(137, 174, 201).
Aa
Black text reads best on this color (8.96:1).
About this color
#89AEC9 is a medium-light, muted blue. In OKLCH its lightness is 73%, its chroma 0.056 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.034 away. Black text reads best on it, at 8.96:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 8.96:1 |
| White text | 2.34:1 |
Values
| HEX | #89AEC9 |
| RGB | rgb(137, 174, 201) |
| HSL | hsl(205, 37%, 66%) |
| OKLCH | oklch(73.3% 0.056 240.2) |
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 #89AEC9 | 2.34:1 | Fails | Lc -51.1 | Large or bold text, headings |
| Black text on #89AEC9 | 8.96:1 | AAA | Lc 57.8 | Large or bold text, headings |
| #89AEC9 text on white | 2.34:1 | Fails | Lc 46.2 | Large or bold text, headings |
| #89AEC9 text on black | 8.96:1 | AAA | Lc -55.9 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE5
oklch(88.5% 0.02 240.8)
-
Step 300
300
#ADC4D5
oklch(80.8% 0.035 240)
-
Step 400
400 (this color)
#89AEC9
oklch(73.3% 0.056 240.2)
-
Step 500
500
#6090B1
oklch(63.2% 0.072 239.4)
-
Step 600
600
#46799D
oklch(55.6% 0.079 240.9)
-
Step 700
700
#376686
oklch(49.1% 0.073 240.2)
-
Step 800
800
#2E536D
oklch(42.6% 0.061 240.8)
-
Step 900
900
#2A4558
oklch(37.7% 0.046 240.3)
-
Step 950
950
#192834
oklch(26.9% 0.03 243.3)
#89AEC9 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) | #A3ADCA | 0.033 |
| Deuteranopia (no green cones) | #9AA6C9 | 0.029 |
| Tritanopia (no blue cones) | #75B5B7 | 0.044 |
| Achromatopsia (no color) | #A9A9A9 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #89AEC9
#89AEC9
oklch(73.3% 0.056 240.2)
- #C4A185
#C4A185
oklch(73.3% 0.057 60.4)
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 #89AEC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.034
- Bluegrey #85A3B2 ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.048
- Greyblue #77A1B5 ΔE 0.049
- Cool Grey #95A3A6 ΔE 0.051
- French Gray #ADB5BD ΔE 0.055
- Pewter #96A8A1 ΔE 0.056
Use #89AEC9 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.