#8F99AB
Closest named color: Cool Gray (#8D99AE). oklch(68.1% 0.029 262.3), rgb(143, 153, 171).
Aa
Black text reads best on this color (7.31:1).
About this color
#8F99AB 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 0.005 away. Black text reads best on it, at 7.31:1.
| Hue family | Neutrals |
| Lightness | medium-light (68%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.31:1 |
| White text | 2.87:1 |
Values
| HEX | #8F99AB |
| RGB | rgb(143, 153, 171) |
| HSL | hsl(219, 14%, 62%) |
| OKLCH | oklch(68.1% 0.029 262.3) |
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 #8F99AB | 2.87:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #8F99AB | 7.31:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #8F99AB text on white | 2.87:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #8F99AB text on black | 7.31:1 | AAA | Lc -46.9 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D5D9E0
oklch(88.4% 0.011 261.8)
-
Step 300
300
#BAC1CD
oklch(80.9% 0.019 261.3)
-
Step 400
400 (this color)
#8F99AB
oklch(68.1% 0.029 262.3)
-
Step 500
500
#7D8AA0
oklch(63.1% 0.036 261)
-
Step 600
600
#67748B
oklch(55.7% 0.039 261.8)
-
Step 700
700
#556176
oklch(49% 0.037 261.6)
-
Step 800
800
#464F60
oklch(42.6% 0.031 263.1)
-
Step 900
900
#3B424F
oklch(37.8% 0.024 262.8)
-
Step 950
950
#22272E
oklch(27.1% 0.015 256.8)
#8F99AB 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) | #939AAC | 0.007 |
| Deuteranopia (no green cones) | #9197AB | 0.006 |
| Tritanopia (no blue cones) | #889D9F | 0.026 |
| Achromatopsia (no color) | #989898 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8F99AB
#8F99AB
oklch(68.1% 0.029 262.3)
- #A29785
#A29785
oklch(68.1% 0.029 80.2)
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 #8F99AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.005
- Bluey Grey #89A0B0 ΔE 0.019
- Bluegrey #85A3B2 ΔE 0.028
- Cool Grey #95A3A6 ΔE 0.033
- Greyblue #77A1B5 ΔE 0.034
- Cool Steel #97A7B3 ΔE 0.040
- Silver Lake Blue #778DA9 ΔE 0.049
- Pewter #96A8A1 ΔE 0.051
Use #8F99AB 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.