#4D5175
Closest named color: Dusk (#4E5481). oklch(44.7% 0.059 278.8), rgb(77, 81, 117).
Aa
White text reads best on this color (7.63:1).
About this color
#4D5175 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.059 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.020 away. White text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.74:1 |
| White text | 7.63:1 |
Values
| HEX | #4D5175 |
| RGB | rgb(77, 81, 117) |
| HSL | hsl(234, 21%, 38%) |
| OKLCH | oklch(44.7% 0.059 278.8) |
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 #4D5175 | 7.63:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #4D5175 | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #4D5175 text on white | 7.63:1 | AAA | Lc 86.5 | Fine for body text |
| #4D5175 text on black | 2.74:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BBBFD7
oklch(80.9% 0.034 278.1)
-
Step 400
400
#989EC3
oklch(70.7% 0.054 277.7)
-
Step 500
500
#8085B4
oklch(63% 0.071 279.4)
-
Step 600
600
#696FA0
oklch(55.7% 0.076 278.2)
-
Step 700
700
#585C89
oklch(49% 0.072 279.5)
-
Step 800
800 (this color)
#4D5175
oklch(44.7% 0.059 278.8)
-
Step 900
900
#3C3F5A
oklch(37.7% 0.046 279)
-
Step 950
950
#232535
oklch(27% 0.03 278.7)
#4D5175 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) | #465577 | 0.014 |
| Deuteranopia (no green cones) | #445274 | 0.013 |
| Tritanopia (no blue cones) | #42585E | 0.053 |
| Achromatopsia (no color) | #535353 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5175
#4D5175
oklch(44.7% 0.059 278.8)
- #5D552D
#5D552D
oklch(44.7% 0.059 98.3)
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 #4D5175, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.020
- Dusty Grape #545775 ΔE 0.022
- YInMn Blue #415A77 ΔE 0.029
- Twilight #4E518B ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.052
- Dusky Blue #475F94 ΔE 0.057
- Denim #3B638C ΔE 0.058
Use #4D5175 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.