#899FB7
Closest named color: Bluey Grey (#89A0B0). oklch(69.4% 0.043 250.7), rgb(137, 159, 183).
Aa
Black text reads best on this color (7.70:1).
About this color
#899FB7 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.043 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.012 away. Black text reads best on it, at 7.70:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #899FB7 |
| RGB | rgb(137, 159, 183) |
| HSL | hsl(211, 24%, 63%) |
| OKLCH | oklch(69.4% 0.043 250.7) |
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 #899FB7 | 2.72:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #899FB7 | 7.70:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #899FB7 text on white | 2.72:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #899FB7 text on black | 7.70:1 | AAA | Lc -49.1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B4C2D2
oklch(80.8% 0.027 251.7)
-
Step 400
400 (this color)
#899FB7
oklch(69.4% 0.043 250.7)
-
Step 500
500
#718CAA
oklch(63% 0.055 251.4)
-
Step 600
600
#597696
oklch(55.6% 0.06 251.4)
-
Step 700
700
#496380
oklch(49.1% 0.056 251.7)
-
Step 800
800
#3C5168
oklch(42.7% 0.046 251.2)
-
Step 900
900
#334354
oklch(37.6% 0.036 250.3)
-
Step 950
950
#1E2731
oklch(26.9% 0.023 251.3)
#899FB7 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) | #969FB8 | 0.017 |
| Deuteranopia (no green cones) | #919BB7 | 0.014 |
| Tritanopia (no blue cones) | #7CA4A7 | 0.036 |
| Achromatopsia (no color) | #9D9D9D | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FB7
#899FB7
oklch(69.4% 0.043 250.7)
- #AE9880
#AE9880
oklch(69.3% 0.043 69.5)
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 #899FB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.012
- Bluegrey #85A3B2 ΔE 0.016
- Cool Gray #8D99AE ΔE 0.018
- Greyblue #77A1B5 ΔE 0.023
- Cool Steel #97A7B3 ΔE 0.032
- Cool Grey #95A3A6 ΔE 0.034
- Pewter #96A8A1 ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.058
Use #899FB7 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.