#4959AB
Closest named color: Dusky Blue (#475F94). oklch(49.3% 0.131 272.4), rgb(73, 89, 171).
Aa
White text reads best on this color (6.36:1).
About this color
#4959AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.131 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.044 away. White text reads best on it, at 6.36:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.30:1 |
| White text | 6.36:1 |
Values
| HEX | #4959AB |
| RGB | rgb(73, 89, 171) |
| HSL | hsl(230, 40%, 48%) |
| OKLCH | oklch(49.3% 0.131 272.4) |
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 #4959AB | 6.36:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #4959AB | 3.30:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #4959AB text on white | 6.36:1 | AA | Lc 81.4 | Fine for body text |
| #4959AB text on black | 3.30:1 | AA large text | Lc -20.4 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300
#B2BFEB
oklch(81% 0.064 272)
-
Step 400
400
#8B9CE0
oklch(70.6% 0.102 272.8)
-
Step 500
500
#6F83D8
oklch(63.2% 0.13 272.2)
-
Step 600
600
#586AC5
oklch(55.5% 0.142 272.6)
-
Step 700
700 (this color)
#4959AB
oklch(49.3% 0.131 272.4)
-
Step 800
800
#3B498A
oklch(42.8% 0.108 271.9)
-
Step 900
900
#333D6E
oklch(37.7% 0.085 273)
-
Step 950
950
#1E2441
oklch(27% 0.055 273.4)
#4959AB 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) | #3264AE | 0.035 |
| Deuteranopia (no green cones) | #245BA9 | 0.038 |
| Tritanopia (no blue cones) | #0A6B7A | 0.116 |
| Achromatopsia (no color) | #5F5F5F | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4959AB
#4959AB
oklch(49.3% 0.131 272.4)
- #765F00
#765F00
oklch(49.4% 0.101 92.3)
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 #4959AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.046
- French Blue #436BAD ΔE 0.049
- Mid Blue #276AB3 ΔE 0.051
- Twilight #4E518B ΔE 0.053
- Iris #6258C4 ΔE 0.054
- Denim #3B638C ΔE 0.065
- Dusk Blue #26538D ΔE 0.067
Use #4959AB 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.