#737F83
Closest named color: Steel Grey (#6F828A). oklch(58.8% 0.015 219.7), rgb(115, 127, 131).
Aa
Black text reads best on this color (5.09:1).
About this color
#737F83 is a medium-dark close to neutral grey. In OKLCH its lightness is 59%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Steel Grey (#6F828A), ΔE 0.012 away. Black text reads best on it, at 5.09:1.
| Hue family | Neutrals |
| Lightness | medium-dark (59%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #737F83 |
| RGB | rgb(115, 127, 131) |
| HSL | hsl(195, 7%, 48%) |
| OKLCH | oklch(58.8% 0.015 219.7) |
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 #737F83 | 4.12:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #737F83 | 5.09:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #737F83 text on white | 4.12:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #737F83 text on black | 5.09:1 | AA | Lc -33.3 | 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 600.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D6DADB
oklch(88.6% 0.005 214.3)
-
Step 300
300
#BCC2C4
oklch(81% 0.007 219.6)
-
Step 400
400
#99A2A5
oklch(70.6% 0.011 219.6)
-
Step 500
500
#808C8F
oklch(63.1% 0.015 214.4)
-
Step 600
600 (this color)
#737F83
oklch(58.8% 0.015 219.7)
-
Step 700
700
#586366
oklch(49.1% 0.014 215.9)
-
Step 800
800
#485153
oklch(42.8% 0.012 212.6)
-
Step 900
900
#3C4345
oklch(37.7% 0.01 216.7)
-
Step 950
950
#232728
oklch(26.9% 0.006 214.4)
#737F83 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) | #7C7E83 | 0.013 |
| Deuteranopia (no green cones) | #7A7C83 | 0.013 |
| Tritanopia (no blue cones) | #6F8080 | 0.009 |
| Achromatopsia (no color) | #7D7D7D | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737F83
#737F83
oklch(58.8% 0.015 219.7)
- #857A76
#857A76
oklch(58.8% 0.015 41.1)
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 #737F83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.012
- Battleship Grey #6B7C85 ΔE 0.016
- Medium Grey #7D7F7C ΔE 0.017
- Slate Gray #708090 ΔE 0.019
- Gray #808080 ΔE 0.020
- Grey Blue #647D8E ΔE 0.027
- Steel #738595 ΔE 0.028
- Battleship Gray #6C757D ΔE 0.031
Use #737F83 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.