#41437F
Closest named color: Dark Slate Blue (#483D8B). oklch(41.2% 0.099 279.7), rgb(65, 67, 127).
Aa
White text reads best on this color (8.99:1).
About this color
#41437F is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.099 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.029 away. White text reads best on it, at 8.99:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.33:1 |
| White text | 8.99:1 |
Values
| HEX | #41437F |
| RGB | rgb(65, 67, 127) |
| HSL | hsl(238, 32%, 38%) |
| OKLCH | oklch(41.2% 0.099 279.7) |
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 #41437F | 8.99:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #41437F | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #41437F text on white | 8.99:1 | AAA | Lc 90.5 | Preferred for body text |
| #41437F text on black | 2.33:1 | Fails | Lc -11.8 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D7EF
oklch(88.4% 0.033 280)
-
Step 300
300
#B8BDE6
oklch(80.8% 0.058 279.6)
-
Step 400
400
#959ADA
oklch(70.7% 0.093 280.3)
-
Step 500
500
#7B80CF
oklch(63% 0.118 279.7)
-
Step 600
600
#6569BC
oklch(55.6% 0.127 279.3)
-
Step 700
700
#5457A2
oklch(49.1% 0.118 279.4)
-
Step 800
800 (this color)
#41437F
oklch(41.2% 0.099 279.7)
-
Step 900
900
#3A3C6A
oklch(37.7% 0.078 280.1)
-
Step 950
950
#22233E
oklch(26.9% 0.05 280.9)
#41437F 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) | #2A4B81 | 0.034 |
| Deuteranopia (no green cones) | #26477E | 0.035 |
| Tritanopia (no blue cones) | #2B505B | 0.086 |
| Achromatopsia (no color) | #494949 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #41437F
#41437F
oklch(41.2% 0.099 279.7)
- #564B00
#564B00
oklch(41.1% 0.085 99.6)
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 #41437F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.029
- Blueberry #464196 ΔE 0.040
- Cobalt #1E488F ΔE 0.047
- Twilight #4E518B ΔE 0.048
- Dusk Blue #26538D ΔE 0.052
- Light Navy #155084 ΔE 0.054
- Dusk #4E5481 ΔE 0.055
- Twilight Blue #0A437A ΔE 0.058
Use #41437F 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.