#38358D
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.141 279), rgb(56, 53, 141).
Aa
White text reads best on this color (10.18:1).
About this color
#38358D is a dark, vivid blue. In OKLCH its lightness is 39%, its chroma 0.141 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 10.18:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.06:1 |
| White text | 10.18:1 |
Values
| HEX | #38358D |
| RGB | rgb(56, 53, 141) |
| HSL | hsl(242, 45%, 38%) |
| OKLCH | oklch(38.8% 0.141 279) |
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 #38358D | 10.18:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #38358D | 2.06:1 | Fails | Lc 10.7 | Not readable |
| #38358D text on white | 10.18:1 | AAA | Lc 93.2 | Preferred for body text |
| #38358D text on black | 2.06:1 | Fails | Lc -9.3 | 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 900.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B3BAFF
oklch(80.8% 0.098 279.5)
-
Step 400
400
#8D94FF
oklch(70.8% 0.155 278.8)
-
Step 500
500
#7474FF
oklch(63.2% 0.201 278.9)
-
Step 600
600
#5F52F7
oklch(55.5% 0.236 279)
-
Step 700
700
#5041D8
oklch(49.2% 0.219 279.1)
-
Step 800
800
#4137AE
oklch(42.7% 0.181 279.2)
-
Step 900
900 (this color)
#38358D
oklch(38.8% 0.141 279)
-
Step 950
950
#1F1E51
oklch(27% 0.091 279.3)
#38358D 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) | #004590 | 0.057 |
| Deuteranopia (no green cones) | #003E8B | 0.052 |
| Tritanopia (no blue cones) | #004A5B | 0.122 |
| Achromatopsia (no color) | #414141 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38358D
#38358D
oklch(38.8% 0.141 279)
- #4F4400
#4F4400
oklch(38.6% 0.08 98.7)
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 #38358D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.042
- Cobalt #1E488F ΔE 0.053
- Sapphire #2138AB ΔE 0.057
- Twilight Blue #0A437A ΔE 0.066
- Indigo Blue #3A18B1 ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.074
- Light Navy #155084 ΔE 0.080
Use #38358D 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.