#899BAA
Closest named color: Cool Gray (#8D99AE). oklch(68% 0.03 243.3), rgb(137, 155, 170).
Aa
Black text reads best on this color (7.33:1).
About this color
#899BAA is a medium-light, muted blue. In OKLCH its lightness is 68%, its chroma 0.030 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.011 away. Black text reads best on it, at 7.33:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #899BAA |
| RGB | rgb(137, 155, 170) |
| HSL | hsl(207, 16%, 60%) |
| OKLCH | oklch(68% 0.03 243.3) |
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 #899BAA | 2.86:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #899BAA | 7.33:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #899BAA text on white | 2.86:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #899BAA text on black | 7.33:1 | AAA | Lc -47.0 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400 (this color)
#899BAA
oklch(68% 0.03 243.3)
-
Step 500
500
#768D9F
oklch(63.2% 0.038 241.8)
-
Step 600
600
#5E778A
oklch(55.7% 0.042 241.2)
-
Step 700
700
#4E6475
oklch(49.2% 0.038 241.7)
-
Step 800
800
#405160
oklch(42.7% 0.033 245.3)
-
Step 900
900
#36434E
oklch(37.6% 0.025 244)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#899BAA 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) | #959BAB | 0.017 |
| Deuteranopia (no green cones) | #9197AA | 0.015 |
| Tritanopia (no blue cones) | #809FA0 | 0.025 |
| Achromatopsia (no color) | #999999 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899BAA
#899BAA
oklch(68% 0.03 243.3)
- #A69586
#A69586
oklch(68.1% 0.03 63.7)
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 #899BAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.011
- Bluey Grey #89A0B0 ΔE 0.014
- Bluegrey #85A3B2 ΔE 0.022
- Greyblue #77A1B5 ΔE 0.027
- Cool Grey #95A3A6 ΔE 0.031
- Cool Steel #97A7B3 ΔE 0.040
- Pewter #96A8A1 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.049
Use #899BAA 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.