#38508D
Closest named color: Dusk Blue (#26538D). oklch(44.3% 0.105 266.1), rgb(56, 80, 141).
Aa
White text reads best on this color (7.77:1).
About this color
#38508D is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.105 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.019 away. White text reads best on it, at 7.77:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #38508D |
| RGB | rgb(56, 80, 141) |
| HSL | hsl(223, 43%, 39%) |
| OKLCH | oklch(44.3% 0.105 266.1) |
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 #38508D | 7.77:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #38508D | 2.70:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #38508D text on white | 7.77:1 | AAA | Lc 86.8 | Fine for body text |
| #38508D text on black | 2.70:1 | Fails | Lc -15.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9F0
oklch(88.5% 0.033 266.9)
-
Step 300
300
#AEC0E9
oklch(80.8% 0.061 266.4)
-
Step 400
400
#849FDE
oklch(70.7% 0.098 266.1)
-
Step 500
500
#6686D5
oklch(63.1% 0.125 266.2)
-
Step 600
600
#4E6EC2
oklch(55.5% 0.136 266.4)
-
Step 700
700
#3F5CA8
oklch(49.2% 0.126 266.2)
-
Step 800
800 (this color)
#38508D
oklch(44.3% 0.105 266.1)
-
Step 900
900
#2D3F6D
oklch(37.6% 0.082 266.4)
-
Step 950
950
#1A2540
oklch(26.9% 0.053 266.2)
#38508D 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) | #35568F | 0.017 |
| Deuteranopia (no green cones) | #2A4F8C | 0.016 |
| Tritanopia (no blue cones) | #005E67 | 0.093 |
| Achromatopsia (no color) | #525252 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38508D
#38508D
oklch(44.3% 0.105 266.1)
- #6A4F00
#6A4F00
oklch(44.4% 0.091 85.8)
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 #38508D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.019
- Twilight #4E518B ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.033
- Light Navy #155084 ΔE 0.036
- Cobalt #1E488F ΔE 0.039
- Dusk #4E5481 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.045
Use #38508D 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.