#52819E
Closest named color: Stormy Blue (#507B9C). oklch(58.1% 0.068 236.7), rgb(82, 129, 158).
Aa
Black text reads best on this color (4.99:1).
About this color
#52819E is a medium-dark, muted blue. In OKLCH its lightness is 58%, its chroma 0.068 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.018 away. Black text reads best on it, at 4.99:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #52819E |
| RGB | rgb(82, 129, 158) |
| HSL | hsl(203, 32%, 47%) |
| OKLCH | oklch(58.1% 0.068 236.7) |
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 #52819E | 4.20:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #52819E | 4.99:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #52819E text on white | 4.20:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #52819E text on black | 4.99:1 | AA | Lc -32.7 | 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 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
#84A6BC
oklch(70.8% 0.049 236.8)
-
Step 500
500
#6490AB
oklch(63.2% 0.063 236.1)
-
Step 600
600 (this color)
#52819E
oklch(58.1% 0.068 236.7)
-
Step 700
700
#3C6680
oklch(49.1% 0.063 237.1)
-
Step 800
800
#325368
oklch(42.6% 0.052 237.7)
-
Step 900
900
#2C4555
oklch(37.7% 0.041 237.4)
-
Step 950
950
#1A2832
oklch(26.9% 0.027 240.1)
#52819E 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) | #74809F | 0.042 |
| Deuteranopia (no green cones) | #69789E | 0.036 |
| Tritanopia (no blue cones) | #2F898A | 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°).
- #52819E
#52819E
oklch(58.1% 0.068 236.7)
- #9A7053
#9A7053
oklch(58.1% 0.068 55.6)
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 #52819E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.018
- Cerulean #457B9D ΔE 0.024
- Off Blue #5684AE ΔE 0.025
- Dusty Blue #5A86AD ΔE 0.027
- Grey Blue #647D8E ΔE 0.029
- Steel Blue #4682B4 ΔE 0.035
- Dull Blue #49759C ΔE 0.038
- Cool Blue #4984B8 ΔE 0.039
Use #52819E 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.