#405083
Closest named color: Twilight (#4E518B). oklch(44.2% 0.087 269.5), rgb(64, 80, 131).
Aa
White text reads best on this color (7.79:1).
About this color
#405083 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.087 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.025 away. White text reads best on it, at 7.79:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.69:1 |
| White text | 7.79:1 |
Values
| HEX | #405083 |
| RGB | rgb(64, 80, 131) |
| HSL | hsl(226, 34%, 38%) |
| OKLCH | oklch(44.2% 0.087 269.5) |
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 #405083 | 7.79:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #405083 | 2.69:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #405083 text on white | 7.79:1 | AAA | Lc 87.0 | Fine for body text |
| #405083 text on black | 2.69:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D1D9EC
oklch(88.5% 0.028 267.5)
-
Step 300
300
#B3C0E2
oklch(80.9% 0.05 268.8)
-
Step 400
400
#8C9FD4
oklch(70.8% 0.081 269)
-
Step 500
500
#7086C8
oklch(63% 0.103 269.3)
-
Step 600
600
#596FB5
oklch(55.6% 0.112 269.3)
-
Step 700
700
#495C9C
oklch(49% 0.105 269.7)
-
Step 800
800 (this color)
#405083
oklch(44.2% 0.087 269.5)
-
Step 900
900
#333F66
oklch(37.6% 0.069 269.9)
-
Step 950
950
#1E253B
oklch(26.9% 0.042 269.9)
#405083 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) | #3C5585 | 0.014 |
| Deuteranopia (no green cones) | #354F82 | 0.015 |
| Tritanopia (no blue cones) | #245B63 | 0.078 |
| Achromatopsia (no color) | #525252 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405083
#405083
oklch(44.2% 0.087 269.5)
- #665009
#665009
oklch(44.2% 0.086 89.3)
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 #405083, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.025
- Dusk #4E5481 ΔE 0.025
- Dusk Blue #26538D ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.040
- Light Navy #155084 ΔE 0.042
- Dusty Grape #545775 ΔE 0.046
Use #405083 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.