#4A53AB
Closest named color: Twilight (#4E518B). oklch(48.2% 0.139 275.5), rgb(74, 83, 171).
Aa
White text reads best on this color (6.73:1).
About this color
#4A53AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.139 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.051 away. White text reads best on it, at 6.73:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #4A53AB |
| RGB | rgb(74, 83, 171) |
| HSL | hsl(234, 40%, 48%) |
| OKLCH | oklch(48.2% 0.139 275.5) |
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 #4A53AB | 6.73:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #4A53AB | 3.11:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #4A53AB text on white | 6.73:1 | AA | Lc 83.0 | Fine for body text |
| #4A53AB text on black | 3.11:1 | AA large text | Lc -19.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F3
oklch(88.6% 0.038 275.7)
-
Step 300
300
#B4BEED
oklch(81% 0.067 275.4)
-
Step 400
400
#8E9BE4
oklch(70.8% 0.108 275.6)
-
Step 500
500
#7380DC
oklch(63.1% 0.138 275.6)
-
Step 600
600
#5C68C9
oklch(55.6% 0.149 275.2)
-
Step 700
700 (this color)
#4A53AB
oklch(48.2% 0.139 275.5)
-
Step 800
800
#3F478D
oklch(42.8% 0.115 275.5)
-
Step 900
900
#353C71
oklch(37.8% 0.09 275.5)
-
Step 950
950
#1F2342
oklch(26.9% 0.058 276.3)
#4A53AB 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) | #2460AE | 0.047 |
| Deuteranopia (no green cones) | #1458A9 | 0.050 |
| Tritanopia (no blue cones) | #136777 | 0.123 |
| Achromatopsia (no color) | #5C5C5C | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A53AB
#4A53AB
oklch(48.2% 0.139 275.5)
- #6F5D00
#6F5D00
oklch(48.2% 0.099 95.9)
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 #4A53AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.054
- Iris #6258C4 ΔE 0.055
- Blueberry #464196 ΔE 0.056
- French Blue #436BAD ΔE 0.064
- Mid Blue #276AB3 ΔE 0.065
- Dusk Blue #26538D ΔE 0.066
Use #4A53AB 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.