#4D5E9F
Closest named color: Dusky Blue (#475F94). oklch(49.9% 0.106 271.1), rgb(77, 94, 159).
Aa
White text reads best on this color (6.14:1).
About this color
#4D5E9F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.106 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.021 away. White text reads best on it, at 6.14:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.41:1 |
| White text | 6.14:1 |
Values
| HEX | #4D5E9F |
| RGB | rgb(77, 94, 159) |
| HSL | hsl(228, 35%, 46%) |
| OKLCH | oklch(49.9% 0.106 271.1) |
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 #4D5E9F | 6.14:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #4D5E9F | 3.41:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #4D5E9F text on white | 6.14:1 | AA | Lc 80.5 | Fine for body text |
| #4D5E9F text on black | 3.41:1 | AA large text | Lc -21.3 | 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
#B4BFE3
oklch(80.8% 0.052 271.8)
-
Step 400
400
#8E9ED4
oklch(70.7% 0.081 271.5)
-
Step 500
500
#7285C9
oklch(63% 0.105 271.2)
-
Step 600
600
#5B6EB6
oklch(55.6% 0.114 271.1)
-
Step 700
700 (this color)
#4D5E9F
oklch(49.9% 0.106 271.1)
-
Step 800
800
#3D4B7F
oklch(42.6% 0.088 270.9)
-
Step 900
900
#343F66
oklch(37.7% 0.069 270.9)
-
Step 950
950
#1F253C
oklch(27% 0.044 272.1)
#4D5E9F 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) | #4465A2 | 0.021 |
| Deuteranopia (no green cones) | #3C5E9E | 0.021 |
| Tritanopia (no blue cones) | #296C77 | 0.094 |
| Achromatopsia (no color) | #626262 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5E9F
#4D5E9F
oklch(49.9% 0.106 271.1)
- #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 #4D5E9F, closest first.
No curated palette has a color within ΔE 0.04 of #4D5E9F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.033
- French Blue #436BAD ΔE 0.039
- Denim #3B638C ΔE 0.043
- Twilight #4E518B ΔE 0.044
- Mid Blue #276AB3 ΔE 0.050
- Dusk #4E5481 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.055
Use #4D5E9F 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.