#53809E
Closest named color: Stormy Blue (#507B9C). oklch(57.9% 0.068 238.7), rgb(83, 128, 158).
Aa
Black text reads best on this color (4.94:1).
About this color
#53809E is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.068 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.015 away. Black text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #53809E |
| RGB | rgb(83, 128, 158) |
| HSL | hsl(204, 31%, 47%) |
| OKLCH | oklch(57.9% 0.068 238.7) |
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 #53809E | 4.24:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #53809E | 4.94:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #53809E text on white | 4.24:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #53809E text on black | 4.94:1 | AA | Lc -32.4 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#CFDBE3
oklch(88.5% 0.017 236.7)
-
Step 300
300
#AFC4D2
oklch(80.9% 0.03 237)
-
Step 400
400
#85A5BC
oklch(70.6% 0.049 239.6)
-
Step 500
500
#668FAB
oklch(63.1% 0.062 238.9)
-
Step 600
600 (this color)
#53809E
oklch(57.9% 0.068 238.7)
-
Step 700
700
#3D6681
oklch(49.2% 0.063 238.7)
-
Step 800
800
#335369
oklch(42.7% 0.053 239.7)
-
Step 900
900
#2D4555
oklch(37.8% 0.04 238.4)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#53809E 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) | #737F9F | 0.040 |
| Deuteranopia (no green cones) | #68779D | 0.034 |
| Tritanopia (no blue cones) | #31888A | 0.054 |
| Achromatopsia (no color) | #7B7B7B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53809E
#53809E
oklch(57.9% 0.068 238.7)
- #997051
#997051
oklch(57.9% 0.068 58)
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 #53809E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.015
- Cerulean #457B9D ΔE 0.022
- Off Blue #5684AE ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.028
- Grey Blue #647D8E ΔE 0.029
- Steel Blue #4682B4 ΔE 0.034
- Dull Blue #49759C ΔE 0.035
- Cool Blue #4984B8 ΔE 0.039
Use #53809E 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.