#83909B
Closest named color: Blue Grey (#758DA3). oklch(64.7% 0.022 243.6), rgb(131, 144, 155).
Aa
Black text reads best on this color (6.42:1).
About this color
#83909B is a medium-light close to neutral grey. In OKLCH its lightness is 65%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Blue Grey (#758DA3), ΔE 0.025 away. Black text reads best on it, at 6.42:1.
| Hue family | Neutrals |
| Lightness | medium-light (65%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #83909B |
| RGB | rgb(131, 144, 155) |
| HSL | hsl(207, 11%, 56%) |
| OKLCH | oklch(64.7% 0.022 243.6) |
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 #83909B | 3.26:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #83909B | 6.42:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #83909B text on white | 3.26:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #83909B text on black | 6.42:1 | AA | Lc -41.7 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6DADD
oklch(88.6% 0.006 239.8)
-
Step 300
300
#BBC2C7
oklch(81% 0.01 238.5)
-
Step 400
400
#98A2AB
oklch(70.7% 0.017 245.2)
-
Step 500
500 (this color)
#83909B
oklch(64.7% 0.022 243.6)
-
Step 600
600
#687581
oklch(55.6% 0.024 246.1)
-
Step 700
700
#56626D
oklch(49% 0.023 245.9)
-
Step 800
800
#475059
oklch(42.7% 0.019 248.3)
-
Step 900
900
#3B4349
oklch(37.8% 0.015 240.3)
-
Step 950
950
#23272B
oklch(27% 0.009 248.2)
#83909B 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) | #8C909C | 0.013 |
| Deuteranopia (no green cones) | #898D9B | 0.011 |
| Tritanopia (no blue cones) | #7D9393 | 0.019 |
| Achromatopsia (no color) | #8E8E8E | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83909B
#83909B
oklch(64.7% 0.022 243.6)
- #988C80
#988C80
oklch(64.7% 0.023 67.4)
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 #83909B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.025
- Light Slate Gray #778899 ΔE 0.029
- Silver Lake Blue #778DA9 ΔE 0.030
- Cool Gray #8D99AE ΔE 0.037
- Steel #738595 ΔE 0.040
- Warm Grey #978A84 ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.049
- Lavender Gray #7E7F9A ΔE 0.050
Use #83909B 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.