#4B809F
Closest named color: Stormy Blue (#507B9C). oklch(57.6% 0.074 235.7), rgb(75, 128, 159).
Aa
Black text reads best on this color (4.88:1).
About this color
#4B809F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.074 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.014 away. Black text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #4B809F |
| RGB | rgb(75, 128, 159) |
| HSL | hsl(202, 36%, 46%) |
| OKLCH | oklch(57.6% 0.074 235.7) |
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 #4B809F | 4.29:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #4B809F | 4.88:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #4B809F text on white | 4.29:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #4B809F text on black | 4.88:1 | AA | Lc -32.1 | 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
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE4
oklch(88.4% 0.019 237.8)
-
Step 300
300
#ADC5D4
oklch(81% 0.034 235.3)
-
Step 400
400
#81A6BE
oklch(70.6% 0.054 237)
-
Step 500
500
#6090AD
oklch(63% 0.068 235.9)
-
Step 600
600 (this color)
#4B809F
oklch(57.6% 0.074 235.7)
-
Step 700
700
#366783
oklch(49.2% 0.07 235.6)
-
Step 800
800
#2E546A
oklch(42.7% 0.057 235.6)
-
Step 900
900
#294556
oklch(37.6% 0.045 236.3)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#4B809F 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) | #727FA1 | 0.047 |
| Deuteranopia (no green cones) | #66769F | 0.040 |
| Tritanopia (no blue cones) | #19888A | 0.058 |
| Achromatopsia (no color) | #7A7A7A | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B809F
#4B809F
oklch(57.6% 0.074 235.7)
- #9B6D4D
#9B6D4D
oklch(57.5% 0.074 55.5)
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 #4B809F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.014
- Cerulean #457B9D ΔE 0.017
- Off Blue #5684AE ΔE 0.028
- Dusty Blue #5A86AD ΔE 0.032
- Steel Blue #4682B4 ΔE 0.032
- Dull Blue #49759C ΔE 0.032
- Grey Blue #647D8E ΔE 0.035
- Cool Blue #4984B8 ΔE 0.038
Use #4B809F 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.