#737F77
Closest named color: Medium Grey (#7D7F7C). oklch(58.4% 0.019 156.6), rgb(115, 127, 119).
Aa
Black text reads best on this color (5.03:1).
About this color
#737F77 is a medium-dark close to neutral grey. In OKLCH its lightness is 58%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Medium Grey (#7D7F7C), ΔE 0.017 away. Black text reads best on it, at 5.03:1.
| Hue family | Neutrals |
| Lightness | medium-dark (58%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Medium Grey (#7D7F7C) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #737F77 |
| RGB | rgb(115, 127, 119) |
| HSL | hsl(140, 5%, 47%) |
| OKLCH | oklch(58.4% 0.019 156.6) |
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 #737F77 | 4.17:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #737F77 | 5.03:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #737F77 text on white | 4.17:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #737F77 text on black | 5.03:1 | AA | Lc -32.9 | 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 600.
-
Step 50
50
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D7DAD8
oklch(88.5% 0.004 157.2)
-
Step 300
300
#BCC2BE
oklch(80.8% 0.009 157)
-
Step 400
400
#9AA39D
oklch(70.6% 0.013 156.9)
-
Step 500
500
#818D85
oklch(63.1% 0.018 156.7)
-
Step 600
600 (this color)
#737F77
oklch(58.4% 0.019 156.6)
-
Step 700
700
#59645D
oklch(49.2% 0.017 157.8)
-
Step 800
800
#49514C
oklch(42.6% 0.013 158.4)
-
Step 900
900
#3D433F
oklch(37.6% 0.01 156.7)
-
Step 950
950
#242725
oklch(26.9% 0.006 156.8)
#737F77 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) | #7F7D77 | 0.018 |
| Deuteranopia (no green cones) | #7D7B77 | 0.018 |
| Tritanopia (no blue cones) | #717F7D | 0.009 |
| Achromatopsia (no color) | #7C7C7C | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737F77
#737F77
oklch(58.4% 0.019 156.6)
- #837780
#837780
oklch(58.3% 0.02 334.4)
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 #737F77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Grey #7D7F7C ΔE 0.017
- Gray #808080 ΔE 0.024
- Steel Grey #6F828A ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.028
- Battleship Gray #6C757D ΔE 0.036
- Slate Gray #708090 ΔE 0.038
- Grey Blue #647D8E ΔE 0.041
- Steel #738595 ΔE 0.044
Use #737F77 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.