#38539B
Closest named color: Denim Blue (#3B5B92). oklch(45.9% 0.121 266.3), rgb(56, 83, 155).
Aa
White text reads best on this color (7.29:1).
About this color
#38539B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.121 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.030 away. White text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.87:1 |
| White text | 7.29:1 |
Values
| HEX | #38539B |
| RGB | rgb(56, 83, 155) |
| HSL | hsl(224, 47%, 41%) |
| OKLCH | oklch(45.9% 0.121 266.3) |
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 #38539B | 7.29:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #38539B | 2.87:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #38539B text on white | 7.29:1 | AAA | Lc 85.1 | Fine for body text |
| #38539B text on black | 2.87:1 | Fails | Lc -16.9 | 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 700.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AFC0E8
oklch(80.8% 0.06 267)
-
Step 400
400
#859FDC
oklch(70.6% 0.095 266.3)
-
Step 500
500
#6786D2
oklch(63% 0.12 266.2)
-
Step 600
600
#4F6FBF
oklch(55.6% 0.13 265.9)
-
Step 700
700 (this color)
#38539B
oklch(45.9% 0.121 266.3)
-
Step 800
800
#354C86
oklch(42.8% 0.1 266)
-
Step 900
900
#2E3F6B
oklch(37.6% 0.079 266.7)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#38539B 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) | #305B9E | 0.022 |
| Deuteranopia (no green cones) | #205299 | 0.024 |
| Tritanopia (no blue cones) | #00636F | 0.103 |
| Achromatopsia (no color) | #565656 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38539B
#38539B
oklch(45.9% 0.121 266.3)
- #6F5300
#6F5300
oklch(45.9% 0.094 85.9)
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 #38539B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.030
- Dusk Blue #26538D ΔE 0.031
- Twilight #4E518B ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.042
- Dusky Blue #475F94 ΔE 0.044
- Cobalt #1E488F ΔE 0.047
- Blueberry #464196 ΔE 0.048
- Dusk #4E5481 ΔE 0.051
Use #38539B 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.