#4D5EA1
Closest named color: Dusky Blue (#475F94). oklch(50% 0.109 271.3), rgb(77, 94, 161).
Aa
White text reads best on this color (6.12:1).
About this color
#4D5EA1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.109 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.024 away. White text reads best on it, at 6.12:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.43:1 |
| White text | 6.12:1 |
Values
| HEX | #4D5EA1 |
| RGB | rgb(77, 94, 161) |
| HSL | hsl(228, 35%, 47%) |
| OKLCH | oklch(50% 0.109 271.3) |
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 #4D5EA1 | 6.12:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #4D5EA1 | 3.43:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #4D5EA1 text on white | 6.12:1 | AA | Lc 80.4 | Fine for body text |
| #4D5EA1 text on black | 3.43:1 | AA large text | Lc -21.4 | 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 700.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9ED
oklch(88.6% 0.029 270.4)
-
Step 300
300
#B4BFE4
oklch(80.8% 0.054 272.1)
-
Step 400
400
#8D9ED6
oklch(70.7% 0.085 271.1)
-
Step 500
500
#7285CB
oklch(63.1% 0.108 271.5)
-
Step 600
600
#5B6EB8
oklch(55.7% 0.117 271.3)
-
Step 700
700 (this color)
#4D5EA1
oklch(50% 0.109 271.3)
-
Step 800
800
#3D4B80
oklch(42.7% 0.09 271)
-
Step 900
900
#343F67
oklch(37.8% 0.07 271.1)
-
Step 950
950
#1E253C
oklch(27% 0.044 270.3)
#4D5EA1 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) | #4366A4 | 0.023 |
| Deuteranopia (no green cones) | #3A5EA0 | 0.023 |
| Tritanopia (no blue cones) | #286C77 | 0.097 |
| Achromatopsia (no color) | #626262 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5EA1
#4D5EA1
oklch(50% 0.109 271.3)
- #796000
#796000
oklch(50% 0.102 90.9)
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 #4D5EA1, closest first.
No curated palette has a color within ΔE 0.04 of #4D5EA1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.035
- French Blue #436BAD ΔE 0.037
- Twilight #4E518B ΔE 0.046
- Denim #3B638C ΔE 0.046
- Mid Blue #276AB3 ΔE 0.049
- Dusk #4E5481 ΔE 0.054
- Muted Blue #3B719F ΔE 0.056
Use #4D5EA1 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.