#899CB7
Closest named color: Cool Gray (#8D99AE). oklch(68.7% 0.045 257.2), rgb(137, 156, 183).
Aa
Black text reads best on this color (7.50:1).
About this color
#899CB7 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.045 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.014 away. Black text reads best on it, at 7.50:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.50:1 |
| White text | 2.79:1 |
Values
| HEX | #899CB7 |
| RGB | rgb(137, 156, 183) |
| HSL | hsl(215, 24%, 63%) |
| OKLCH | oklch(68.7% 0.045 257.2) |
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 #899CB7 | 2.79:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #899CB7 | 7.50:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #899CB7 text on white | 2.79:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #899CB7 text on black | 7.50:1 | AAA | Lc -48.0 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D3DAE4
oklch(88.6% 0.016 257.2)
-
Step 300
300
#B5C2D3
oklch(80.9% 0.028 255.1)
-
Step 400
400 (this color)
#899CB7
oklch(68.7% 0.045 257.2)
-
Step 500
500
#738BAD
oklch(63.1% 0.058 257.1)
-
Step 600
600
#5C7598
oklch(55.7% 0.062 256.9)
-
Step 700
700
#4B6282
oklch(49.1% 0.059 256.7)
-
Step 800
800
#3E506A
oklch(42.7% 0.049 257.5)
-
Step 900
900
#354256
oklch(37.6% 0.038 258.9)
-
Step 950
950
#1F2732
oklch(27% 0.024 256.4)
#899CB7 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) | #939DB8 | 0.014 |
| Deuteranopia (no green cones) | #8E98B6 | 0.012 |
| Tritanopia (no blue cones) | #7DA2A5 | 0.040 |
| Achromatopsia (no color) | #9A9A9A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899CB7
#899CB7
oklch(68.7% 0.045 257.2)
- #AB977B
#AB977B
oklch(68.7% 0.046 76.1)
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 #899CB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.014
- Bluey Grey #89A0B0 ΔE 0.018
- Bluegrey #85A3B2 ΔE 0.024
- Greyblue #77A1B5 ΔE 0.026
- Cool Steel #97A7B3 ΔE 0.040
- Cool Grey #95A3A6 ΔE 0.040
- Silver Lake Blue #778DA9 ΔE 0.051
- Blue Grey #758DA3 ΔE 0.055
Use #899CB7 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.