#4D5374
Closest named color: Dusty Grape (#545775). oklch(45.1% 0.055 276), rgb(77, 83, 116).
Aa
White text reads best on this color (7.48:1).
About this color
#4D5374 is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.055 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.017 away. White text reads best on it, at 7.48:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #4D5374 |
| RGB | rgb(77, 83, 116) |
| HSL | hsl(231, 20%, 38%) |
| OKLCH | oklch(45.1% 0.055 276) |
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 #4D5374 | 7.48:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #4D5374 | 2.80:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #4D5374 text on white | 7.48:1 | AAA | Lc 86.0 | Fine for body text |
| #4D5374 text on black | 2.80:1 | Fails | Lc -16.1 | 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
#D6D8E5
oklch(88.5% 0.018 279)
-
Step 300
300
#BBBFD6
oklch(80.9% 0.033 277.8)
-
Step 400
400
#979EC1
oklch(70.6% 0.052 276.1)
-
Step 500
500
#7E86B1
oklch(63% 0.065 276.2)
-
Step 600
600
#68709D
oklch(55.7% 0.071 276.1)
-
Step 700
700
#565D86
oklch(49% 0.066 276.2)
-
Step 800
800 (this color)
#4D5374
oklch(45.1% 0.055 276)
-
Step 900
900
#3B4058
oklch(37.7% 0.042 275.1)
-
Step 950
950
#232534
oklch(26.9% 0.028 278.4)
#4D5374 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) | #495675 | 0.010 |
| Deuteranopia (no green cones) | #465373 | 0.011 |
| Tritanopia (no blue cones) | #43595F | 0.047 |
| Achromatopsia (no color) | #555555 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5374
#4D5374
oklch(45.1% 0.055 276)
- #5E5631
#5E5631
oklch(45.1% 0.055 97.5)
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 #4D5374, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.017
- Dusk #4E5481 ΔE 0.021
- YInMn Blue #415A77 ΔE 0.024
- Twilight #4E518B ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.052
- Denim #3B638C ΔE 0.055
- Dusky Blue #475F94 ΔE 0.055
Use #4D5374 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.