#899AA9
Closest named color: Cool Gray (#8D99AE). oklch(67.8% 0.029 244.9), rgb(137, 154, 169).
Aa
Black text reads best on this color (7.25:1).
About this color
#899AA9 is a medium-light close to neutral grey. In OKLCH its lightness is 68%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Cool Gray (#8D99AE), ΔE 0.011 away. Black text reads best on it, at 7.25:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #899AA9 |
| RGB | rgb(137, 154, 169) |
| HSL | hsl(208, 16%, 60%) |
| OKLCH | oklch(67.8% 0.029 244.9) |
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 #899AA9 | 2.89:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #899AA9 | 7.25:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #899AA9 text on white | 2.89:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #899AA9 text on black | 7.25:1 | AAA | Lc -46.6 | 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
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400 (this color)
#899AA9
oklch(67.8% 0.029 244.9)
-
Step 500
500
#778C9F
oklch(63% 0.038 245.7)
-
Step 600
600
#5F768A
oklch(55.5% 0.041 244.9)
-
Step 700
700
#4F6375
oklch(49% 0.038 245.8)
-
Step 800
800
#41515F
oklch(42.7% 0.031 245)
-
Step 900
900
#37434E
oklch(37.7% 0.025 246.2)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#899AA9 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) | #949AAA | 0.015 |
| Deuteranopia (no green cones) | #9096A9 | 0.014 |
| Tritanopia (no blue cones) | #819E9F | 0.024 |
| Achromatopsia (no color) | #989898 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #899AA9
#899AA9
oklch(67.8% 0.029 244.9)
- #A59485
#A59485
oklch(67.7% 0.03 63.7)
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 #899AA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.011
- Bluey Grey #89A0B0 ΔE 0.017
- Bluegrey #85A3B2 ΔE 0.024
- Greyblue #77A1B5 ΔE 0.028
- Cool Grey #95A3A6 ΔE 0.033
- Cool Steel #97A7B3 ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.046
- Blue Grey #758DA3 ΔE 0.047
Use #899AA9 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.