#4D589E
Closest named color: Dusky Blue (#475F94). oklch(48.6% 0.113 274.7), rgb(77, 88, 158).
Aa
White text reads best on this color (6.55:1).
About this color
#4D589E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.113 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.029 away. White text reads best on it, at 6.55:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #4D589E |
| RGB | rgb(77, 88, 158) |
| HSL | hsl(232, 34%, 46%) |
| OKLCH | oklch(48.6% 0.113 274.7) |
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 #4D589E | 6.55:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #4D589E | 3.20:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #4D589E text on white | 6.55:1 | AA | Lc 82.3 | Fine for body text |
| #4D589E text on black | 3.20:1 | AA large text | Lc -19.6 | 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
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300
#B6BFE5
oklch(81% 0.055 274.7)
-
Step 400
400
#909DD7
oklch(70.8% 0.086 274.3)
-
Step 500
500
#7683CD
oklch(63.1% 0.112 275.1)
-
Step 600
600
#5F6CB9
oklch(55.6% 0.12 274.6)
-
Step 700
700 (this color)
#4D589E
oklch(48.6% 0.113 274.7)
-
Step 800
800
#404981
oklch(42.5% 0.093 274.8)
-
Step 900
900
#363E68
oklch(37.7% 0.073 274.2)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#4D589E 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) | #3B61A1 | 0.030 |
| Deuteranopia (no green cones) | #335A9C | 0.031 |
| Tritanopia (no blue cones) | #2B6773 | 0.100 |
| Achromatopsia (no color) | #5D5D5D | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D589E
#4D589E
oklch(48.6% 0.113 274.7)
- #715E00
#715E00
oklch(48.6% 0.1 95.2)
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 #4D589E, closest first.
No curated palette has a color within ΔE 0.04 of #4D589E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.032
- Twilight #4E518B ΔE 0.033
- Dusk #4E5481 ΔE 0.046
- Denim #3B638C ΔE 0.052
- French Blue #436BAD ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.054
- Dusk Blue #26538D ΔE 0.057
Use #4D589E 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.