#899FBB
Closest named color: Bluey Grey (#89A0B0). oklch(69.5% 0.048 254.6), rgb(137, 159, 187).
Aa
Black text reads best on this color (7.74:1).
About this color
#899FBB is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.048 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.018 away. Black text reads best on it, at 7.74:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.74:1 |
| White text | 2.71:1 |
Values
| HEX | #899FBB |
| RGB | rgb(137, 159, 187) |
| HSL | hsl(214, 27%, 64%) |
| OKLCH | oklch(69.5% 0.048 254.6) |
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 #899FBB | 2.71:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #899FBB | 7.74:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #899FBB text on white | 2.71:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #899FBB text on black | 7.74:1 | AAA | Lc -49.3 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B4C2D4
oklch(80.9% 0.03 254.7)
-
Step 400
400 (this color)
#899FBB
oklch(69.5% 0.048 254.6)
-
Step 500
500
#708CAF
oklch(63.2% 0.062 254.3)
-
Step 600
600
#58759A
oklch(55.5% 0.067 254.8)
-
Step 700
700
#486284
oklch(49% 0.063 255.4)
-
Step 800
800
#3B506B
oklch(42.6% 0.052 255)
-
Step 900
900
#334357
oklch(37.8% 0.04 254.3)
-
Step 950
950
#1E2733
oklch(27% 0.026 255.7)
#899FBB 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) | #95A0BC | 0.017 |
| Deuteranopia (no green cones) | #909BBA | 0.013 |
| Tritanopia (no blue cones) | #7BA5A8 | 0.042 |
| Achromatopsia (no color) | #9D9D9D | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899FBB
#899FBB
oklch(69.5% 0.048 254.6)
- #AF997C
#AF997C
oklch(69.5% 0.048 74.5)
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 #899FBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.018
- Bluegrey #85A3B2 ΔE 0.021
- Cool Gray #8D99AE ΔE 0.021
- Greyblue #77A1B5 ΔE 0.025
- Cool Steel #97A7B3 ΔE 0.035
- Cool Grey #95A3A6 ΔE 0.039
- Pewter #96A8A1 ΔE 0.055
- Silver Lake Blue #778DA9 ΔE 0.059
Use #899FBB 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.