#7F909B
Closest named color: Blue Grey (#758DA3). oklch(64.3% 0.026 236.2), rgb(127, 144, 155).
Aa
Black text reads best on this color (6.36:1).
About this color
#7F909B is a medium-light close to neutral grey. In OKLCH its lightness is 64%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Blue Grey (#758DA3), ΔE 0.021 away. Black text reads best on it, at 6.36:1.
| Hue family | Neutrals |
| Lightness | medium-light (64%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #7F909B |
| RGB | rgb(127, 144, 155) |
| HSL | hsl(204, 12%, 55%) |
| OKLCH | oklch(64.3% 0.026 236.2) |
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 #7F909B | 3.29:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #7F909B | 6.36:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #7F909B text on white | 3.29:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #7F909B text on black | 6.36:1 | AA | Lc -41.3 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADD
oklch(88.5% 0.007 233.7)
-
Step 300
300
#B9C2C8
oklch(80.9% 0.013 236.7)
-
Step 400
400
#95A3AC
oklch(70.7% 0.021 235.9)
-
Step 500
500 (this color)
#7F909B
oklch(64.3% 0.026 236.2)
-
Step 600
600
#647682
oklch(55.5% 0.028 237.2)
-
Step 700
700
#53636E
oklch(49% 0.026 238.1)
-
Step 800
800
#445159
oklch(42.7% 0.021 235)
-
Step 900
900
#394349
oklch(37.6% 0.017 234.2)
-
Step 950
950
#22272B
oklch(26.9% 0.01 242.1)
#7F909B 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) | #8B8F9C | 0.017 |
| Deuteranopia (no green cones) | #878C9B | 0.015 |
| Tritanopia (no blue cones) | #789393 | 0.020 |
| Achromatopsia (no color) | #8D8D8D | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F909B
#7F909B
oklch(64.3% 0.026 236.2)
- #9A8A7F
#9A8A7F
oklch(64.5% 0.025 56.7)
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 #7F909B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.021
- Light Slate Gray #778899 ΔE 0.026
- Silver Lake Blue #778DA9 ΔE 0.027
- Steel #738595 ΔE 0.036
- Cool Gray #8D99AE ΔE 0.040
- Warm Grey #978A84 ΔE 0.044
- Lavender Gray #7E7F9A ΔE 0.049
- Cadet Blue #5F9EA0 ΔE 0.050
Use #7F909B 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.