#4C5397
Closest named color: Twilight (#4E518B). oklch(47% 0.109 276.9), rgb(76, 83, 151).
Aa
White text reads best on this color (7.01:1).
About this color
#4C5397 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.109 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.019 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #4C5397 |
| RGB | rgb(76, 83, 151) |
| HSL | hsl(234, 33%, 45%) |
| OKLCH | oklch(47% 0.109 276.9) |
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 #4C5397 | 7.01:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #4C5397 | 2.99:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #4C5397 text on white | 7.01:1 | AAA | Lc 84.2 | Fine for body text |
| #4C5397 text on black | 2.99:1 | Fails | Lc -17.8 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8ED
oklch(88.6% 0.029 277.2)
-
Step 300
300
#B7BEE3
oklch(80.8% 0.053 276.7)
-
Step 400
400
#939CD5
oklch(70.7% 0.084 277.1)
-
Step 500
500
#7983CA
oklch(63.2% 0.107 276.8)
-
Step 600
600
#626BB7
oklch(55.5% 0.118 276.7)
-
Step 700
700 (this color)
#4C5397
oklch(47% 0.109 276.9)
-
Step 800
800
#434980
oklch(42.7% 0.091 277.1)
-
Step 900
900
#383D67
oklch(37.6% 0.072 277.2)
-
Step 950
950
#21243C
oklch(27% 0.045 277.5)
#4C5397 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) | #375C9A | 0.033 |
| Deuteranopia (no green cones) | #315695 | 0.034 |
| Tritanopia (no blue cones) | #2F616D | 0.096 |
| Achromatopsia (no color) | #595959 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C5397
#4C5397
oklch(47% 0.109 276.9)
- #6A5A00
#6A5A00
oklch(46.9% 0.097 97.1)
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 #4C5397, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.019
- Denim Blue #3B5B92 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.035
- Dusk #4E5481 ΔE 0.037
- Dusk Blue #26538D ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.049
- Blueberry #464196 ΔE 0.050
- Denim #3B638C ΔE 0.055
Use #4C5397 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.