#4D5186
Closest named color: Twilight (#4E518B). oklch(45.6% 0.086 279.1), rgb(77, 81, 134).
Aa
White text reads best on this color (7.40:1).
About this color
#4D5186 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.086 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.008 away. White text reads best on it, at 7.40:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #4D5186 |
| RGB | rgb(77, 81, 134) |
| HSL | hsl(236, 27%, 41%) |
| OKLCH | oklch(45.6% 0.086 279.1) |
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 #4D5186 | 7.40:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #4D5186 | 2.83:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #4D5186 text on white | 7.40:1 | AAA | Lc 85.6 | Fine for body text |
| #4D5186 text on black | 2.83:1 | Fails | Lc -16.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#B9BEE1
oklch(80.9% 0.05 278.8)
-
Step 400
400
#959CD3
oklch(70.8% 0.081 278.5)
-
Step 500
500
#7C82C7
oklch(63% 0.104 279.2)
-
Step 600
600
#666BB3
oklch(55.6% 0.111 279.1)
-
Step 700
700
#55599A
oklch(49.1% 0.103 279.2)
-
Step 800
800 (this color)
#4D5186
oklch(45.6% 0.086 279.1)
-
Step 900
900
#3A3D65
oklch(37.6% 0.068 279.3)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#4D5186 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) | #3F5888 | 0.025 |
| Deuteranopia (no green cones) | #3B5385 | 0.025 |
| Tritanopia (no blue cones) | #3B5C65 | 0.076 |
| Achromatopsia (no color) | #555555 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5186
#4D5186
oklch(45.6% 0.086 279.1)
- #635712
#635712
oklch(45.5% 0.086 98.8)
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 #4D5186, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.008
- Dusk #4E5481 ΔE 0.014
- Denim Blue #3B5B92 ΔE 0.036
- Dusty Grape #545775 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.044
- Dusk Blue #26538D ΔE 0.047
Use #4D5186 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.