#4A559C
Closest named color: Twilight (#4E518B). oklch(47.6% 0.115 274.6), rgb(74, 85, 156).
Aa
White text reads best on this color (6.83:1).
About this color
#4A559C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.115 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.028 away. White text reads best on it, at 6.83:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #4A559C |
| RGB | rgb(74, 85, 156) |
| HSL | hsl(232, 36%, 45%) |
| OKLCH | oklch(47.6% 0.115 274.6) |
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 #4A559C | 6.83:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #4A559C | 3.07:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #4A559C text on white | 6.83:1 | AA | Lc 83.5 | Fine for body text |
| #4A559C text on black | 3.07:1 | AA large text | Lc -18.5 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
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
#B5BFE5
oklch(81% 0.055 273.5)
-
Step 400
400
#909DD8
oklch(70.8% 0.088 274.4)
-
Step 500
500
#7583CE
oklch(63.1% 0.114 274.6)
-
Step 600
600
#5E6CBB
oklch(55.7% 0.123 274.1)
-
Step 700
700 (this color)
#4A559C
oklch(47.6% 0.115 274.6)
-
Step 800
800
#404982
oklch(42.6% 0.095 274.9)
-
Step 900
900
#363E69
oklch(37.8% 0.074 274.3)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#4A559C 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) | #375E9F | 0.031 |
| Deuteranopia (no green cones) | #2E579A | 0.033 |
| Tritanopia (no blue cones) | #266471 | 0.101 |
| Achromatopsia (no color) | #5B5B5B | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A559C
#4A559C
oklch(47.6% 0.115 274.6)
- #6E5B00
#6E5B00
oklch(47.6% 0.098 94.8)
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 #4A559C, closest first.
No curated palette has a color within ΔE 0.04 of #4A559C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.028
- Denim Blue #3B5B92 ΔE 0.031
- Dusky Blue #475F94 ΔE 0.033
- Dusk #4E5481 ΔE 0.044
- Dusk Blue #26538D ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.051
- Blueberry #464196 ΔE 0.054
- Denim #3B638C ΔE 0.054
Use #4A559C 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.