#737783
Closest named color: Battleship Gray (#6C757D). oklch(57% 0.019 271.1), rgb(115, 119, 131).
Aa
Black text reads best on this color (4.69:1).
About this color
#737783 is a medium-dark close to neutral grey. In OKLCH its lightness is 57%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Battleship Gray (#6C757D), ΔE 0.015 away. Black text reads best on it, at 4.69:1.
| Hue family | Neutrals |
| Lightness | medium-dark (57%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Battleship Gray (#6C757D) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #737783 |
| RGB | rgb(115, 119, 131) |
| HSL | hsl(225, 7%, 48%) |
| OKLCH | oklch(57% 0.019 271.1) |
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 #737783 | 4.47:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #737783 | 4.69:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #737783 text on white | 4.47:1 | AA large text | Lc 71.1 | Content text, not long reading |
| #737783 text on black | 4.69:1 | AA | Lc -30.6 | 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
#E9EAEB
oklch(93.7% 0.002 247.8)
-
Step 200
200
#D8D9DC
oklch(88.5% 0.004 271.4)
-
Step 300
300
#BEC0C6
oklch(80.8% 0.009 271.3)
-
Step 400
400
#9DA0A9
oklch(70.6% 0.013 271.2)
-
Step 500
500
#858994
oklch(63% 0.017 269.9)
-
Step 600
600 (this color)
#737783
oklch(57% 0.019 271.1)
-
Step 700
700
#5D606B
oklch(49% 0.018 273.6)
-
Step 800
800
#4C4F57
oklch(42.8% 0.014 269.4)
-
Step 900
900
#3F4148
oklch(37.6% 0.012 273.1)
-
Step 950
950
#25262A
oklch(26.9% 0.008 274.7)
#737783 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) | #747884 | 0.003 |
| Deuteranopia (no green cones) | #737783 | 0.000 |
| Tritanopia (no blue cones) | #70797B | 0.016 |
| Achromatopsia (no color) | #777777 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #737783
#737783
oklch(57% 0.019 271.1)
- #7B776B
#7B776B
oklch(56.9% 0.019 91.7)
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 #737783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Battleship Gray #6C757D ΔE 0.015
- Battleship Grey #6B7C85 ΔE 0.017
- Grey Blue #647D8E ΔE 0.026
- Slate Gray #708090 ΔE 0.027
- Steel Grey #6F828A ΔE 0.030
- Medium Grey #7D7F7C ΔE 0.033
- Gray #808080 ΔE 0.035
- Purple Grey #866F85 ΔE 0.036
Use #737783 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.