#899CA4
Closest named color: Bluey Grey (#89A0B0). oklch(68% 0.025 225), rgb(137, 156, 164).
Aa
Black text reads best on this color (7.35:1).
About this color
#899CA4 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Bluey Grey (#89A0B0), ΔE 0.018 away. Black text reads best on it, at 7.35:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Bluey Grey (#89A0B0) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #899CA4 |
| RGB | rgb(137, 156, 164) |
| HSL | hsl(198, 13%, 59%) |
| OKLCH | oklch(68% 0.025 225) |
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 #899CA4 | 2.85:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #899CA4 | 7.35:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #899CA4 text on white | 2.85:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #899CA4 text on black | 7.35:1 | AAA | Lc -47.1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D3DADD
oklch(88.4% 0.009 225.1)
-
Step 300
300
#B7C3C8
oklch(80.9% 0.015 224.5)
-
Step 400
400 (this color)
#899CA4
oklch(68% 0.025 225)
-
Step 500
500
#768E98
oklch(63.1% 0.031 225)
-
Step 600
600
#5E7883
oklch(55.6% 0.035 225.6)
-
Step 700
700
#4E656E
oklch(49.2% 0.031 223.8)
-
Step 800
800
#40525A
oklch(42.6% 0.026 226.8)
-
Step 900
900
#36444A
oklch(37.7% 0.021 225.8)
-
Step 950
950
#20282B
oklch(27% 0.013 222.5)
#899CA4 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) | #989BA4 | 0.020 |
| Deuteranopia (no green cones) | #9397A4 | 0.019 |
| Tritanopia (no blue cones) | #829F9E | 0.017 |
| Achromatopsia (no color) | #999999 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899CA4
#899CA4
oklch(68% 0.025 225)
- #A6948C
#A6948C
oklch(68% 0.025 45.5)
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 #899CA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Grey #89A0B0 ΔE 0.018
- Cool Gray #8D99AE ΔE 0.020
- Bluegrey #85A3B2 ΔE 0.023
- Cool Grey #95A3A6 ΔE 0.027
- Greyblue #77A1B5 ΔE 0.030
- Cool Steel #97A7B3 ΔE 0.040
- Pewter #96A8A1 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.050
Use #899CA4 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.