#899FAF
Closest named color: Bluey Grey (#89A0B0). oklch(69.1% 0.034 239.6), rgb(137, 159, 175).
Aa
Black text reads best on this color (7.64:1).
About this color
#899FAF is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.034 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.003 away. Black text reads best on it, at 7.64:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.64:1 |
| White text | 2.74:1 |
Values
| HEX | #899FAF |
| RGB | rgb(137, 159, 175) |
| HSL | hsl(205, 19%, 61%) |
| OKLCH | oklch(69.1% 0.034 239.6) |
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 #899FAF | 2.74:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #899FAF | 7.64:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #899FAF text on white | 2.74:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #899FAF text on black | 7.64:1 | AAA | Lc -48.7 | 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
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE0
oklch(88.4% 0.012 239.9)
-
Step 300
300
#B5C3CD
oklch(80.9% 0.021 238.7)
-
Step 400
400 (this color)
#899FAF
oklch(69.1% 0.034 239.6)
-
Step 500
500
#728EA2
oklch(63.2% 0.044 239.5)
-
Step 600
600
#5A788D
oklch(55.7% 0.048 239.2)
-
Step 700
700
#4A6477
oklch(49% 0.043 240.5)
-
Step 800
800
#3D5261
oklch(42.7% 0.036 239.7)
-
Step 900
900
#34444F
oklch(37.7% 0.028 238.5)
-
Step 950
950
#1E282E
oklch(27% 0.018 234.7)
#899FAF 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) | #989EB0 | 0.020 |
| Deuteranopia (no green cones) | #939AAF | 0.018 |
| Tritanopia (no blue cones) | #7FA3A4 | 0.026 |
| Achromatopsia (no color) | #9C9C9C | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FAF
#899FAF
oklch(69.1% 0.034 239.6)
- #AC9787
#AC9787
oklch(69.1% 0.034 59.5)
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 #899FAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.003
- Bluegrey #85A3B2 ΔE 0.011
- Cool Gray #8D99AE ΔE 0.017
- Greyblue #77A1B5 ΔE 0.022
- Cool Grey #95A3A6 ΔE 0.026
- Cool Steel #97A7B3 ΔE 0.030
- Pewter #96A8A1 ΔE 0.042
- Dark Gray #A9A9A9 ΔE 0.056
Use #899FAF 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.