#38439E
Closest named color: Blueberry (#464196). oklch(42.8% 0.147 273.3), rgb(56, 67, 158).
Aa
White text reads best on this color (8.52:1).
About this color
#38439E is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.147 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.024 away. White text reads best on it, at 8.52:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #38439E |
| RGB | rgb(56, 67, 158) |
| HSL | hsl(234, 48%, 42%) |
| OKLCH | oklch(42.8% 0.147 273.3) |
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 #38439E | 8.52:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #38439E | 2.46:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #38439E text on white | 8.52:1 | AAA | Lc 88.9 | Fine for body text |
| #38439E text on black | 2.46:1 | Fails | Lc -13.3 | Not readable |
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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#AEBDF9
oklch(80.8% 0.087 273.5)
-
Step 400
400
#8599F6
oklch(70.7% 0.138 273.2)
-
Step 500
500
#697CF2
oklch(63% 0.176 273.4)
-
Step 600
600
#5362E0
oklch(55.5% 0.19 273.4)
-
Step 700
700
#4450C3
oklch(49% 0.178 273.4)
-
Step 800
800 (this color)
#38439E
oklch(42.8% 0.147 273.3)
-
Step 900
900
#2F397D
oklch(37.6% 0.115 273.3)
-
Step 950
950
#1C2249
oklch(27% 0.072 274)
#38439E 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) | #0051A1 | 0.048 |
| Deuteranopia (no green cones) | #00489C | 0.043 |
| Tritanopia (no blue cones) | #00596A | 0.123 |
| Achromatopsia (no color) | #4C4C4C | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38439E
#38439E
oklch(42.8% 0.147 273.3)
- #604D00
#604D00
oklch(42.7% 0.087 92.5)
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 #38439E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.024
- Cobalt #1E488F ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.040
- Sapphire #2138AB ΔE 0.046
- Dusk Blue #26538D ΔE 0.056
- Twilight #4E518B ΔE 0.063
- Light Navy #155084 ΔE 0.066
- Blue Blue #2242C7 ΔE 0.069
Use #38439E 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.