#38418D
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.125 274.4), rgb(56, 65, 141).
Aa
White text reads best on this color (9.09:1).
About this color
#38418D is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.125 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 9.09:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #38418D |
| RGB | rgb(56, 65, 141) |
| HSL | hsl(234, 43%, 39%) |
| OKLCH | oklch(41.1% 0.125 274.4) |
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 #38418D | 9.09:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #38418D | 2.30:1 | Fails | Lc 13.3 | Not readable |
| #38418D text on white | 9.09:1 | AAA | Lc 90.7 | Preferred for body text |
| #38418D text on black | 2.30:1 | Fails | Lc -11.7 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BEF0
oklch(81% 0.072 274.2)
-
Step 400
400
#8B9AE9
oklch(70.6% 0.117 274.8)
-
Step 500
500
#6F7FE3
oklch(63% 0.15 274.4)
-
Step 600
600
#5966D0
oklch(55.5% 0.162 274.6)
-
Step 700
700
#4954B5
oklch(49% 0.152 274.5)
-
Step 800
800 (this color)
#38418D
oklch(41.1% 0.125 274.4)
-
Step 900
900
#333B74
oklch(37.6% 0.097 274.7)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#38418D 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) | #144C90 | 0.041 |
| Deuteranopia (no green cones) | #00458B | 0.046 |
| Tritanopia (no blue cones) | #005260 | 0.109 |
| Achromatopsia (no color) | #484848 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38418D
#38418D
oklch(41.1% 0.125 274.4)
- #594900
#594900
oklch(41% 0.084 94.6)
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 #38418D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.026
- Cobalt #1E488F ΔE 0.031
- Dusk Blue #26538D ΔE 0.051
- Light Navy #155084 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.056
- Twilight #4E518B ΔE 0.059
- Sapphire #2138AB ΔE 0.062
Use #38418D 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.