#4C5271
Closest named color: Dusty Grape (#545775). oklch(44.6% 0.052 275.7), rgb(76, 82, 113).
Aa
White text reads best on this color (7.62:1).
About this color
#4C5271 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.052 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.021 away. White text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #4C5271 |
| RGB | rgb(76, 82, 113) |
| HSL | hsl(230, 20%, 37%) |
| OKLCH | oklch(44.6% 0.052 275.7) |
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 #4C5271 | 7.62:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #4C5271 | 2.75:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #4C5271 text on white | 7.62:1 | AAA | Lc 86.5 | Fine for body text |
| #4C5271 text on black | 2.75:1 | Fails | Lc -15.6 | 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 800.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BBBFD5
oklch(80.8% 0.031 277.5)
-
Step 400
400
#989FBF
oklch(70.8% 0.047 275.4)
-
Step 500
500
#7F87AF
oklch(63.2% 0.061 275.7)
-
Step 600
600
#68709B
oklch(55.6% 0.068 275.8)
-
Step 700
700
#575E84
oklch(49.2% 0.062 275.9)
-
Step 800
800 (this color)
#4C5271
oklch(44.6% 0.052 275.7)
-
Step 900
900
#3B4057
oklch(37.7% 0.04 274.8)
-
Step 950
950
#232633
oklch(27.1% 0.025 274.5)
#4C5271 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) | #495572 | 0.009 |
| Deuteranopia (no green cones) | #465270 | 0.009 |
| Tritanopia (no blue cones) | #42585D | 0.046 |
| Achromatopsia (no color) | #545454 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C5271
#4C5271
oklch(44.6% 0.052 275.7)
- #5D5432
#5D5432
oklch(44.6% 0.052 95)
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 #4C5271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.021
- YInMn Blue #415A77 ΔE 0.026
- Dusk #4E5481 ΔE 0.026
- Twilight #4E518B ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.056
- Denim #3B638C ΔE 0.059
- Slate #516572 ΔE 0.059
Use #4C5271 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.