#57628F
Closest named color: Dusky Blue (#475F94). oklch(50.6% 0.073 273), rgb(87, 98, 143).
Aa
White text reads best on this color (5.91:1).
About this color
#57628F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.073 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.026 away. White text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.54:1 |
| White text | 5.91:1 |
Values
| HEX | #57628F |
| RGB | rgb(87, 98, 143) |
| HSL | hsl(228, 24%, 45%) |
| OKLCH | oklch(50.6% 0.073 273) |
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 #57628F | 5.91:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #57628F | 3.54:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #57628F text on white | 5.91:1 | AA | Lc 79.6 | Fine for body text |
| #57628F text on black | 3.54:1 | AA large text | Lc -22.3 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F1
oklch(93.5% 0.011 274.9)
-
Step 200
200
#D5D9E7
oklch(88.6% 0.02 273.2)
-
Step 300
300
#B9C0D8
oklch(81% 0.035 272.7)
-
Step 400
400
#959FC5
oklch(70.8% 0.057 273.4)
-
Step 500
500
#7B87B6
oklch(63.2% 0.072 273.1)
-
Step 600
600
#6470A2
oklch(55.6% 0.079 273.2)
-
Step 700
700 (this color)
#57628F
oklch(50.6% 0.073 273)
-
Step 800
800
#444D70
oklch(42.8% 0.059 272.6)
-
Step 900
900
#39405B
oklch(37.7% 0.047 272.8)
-
Step 950
950
#212635
oklch(27.1% 0.029 270.1)
#57628F 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) | #536691 | 0.012 |
| Deuteranopia (no green cones) | #4F628E | 0.011 |
| Tritanopia (no blue cones) | #466B72 | 0.065 |
| Achromatopsia (no color) | #646464 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57628F
#57628F
oklch(50.6% 0.073 273)
- #736430
#736430
oklch(50.6% 0.074 93.5)
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 #57628F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.026
- Denim #3B638C ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.044
- Dusk #4E5481 ΔE 0.046
- Dusty Grape #545775 ΔE 0.047
- Muted Blue #3B719F ΔE 0.050
- Metallic Blue #4F738E ΔE 0.051
- Twilight #4E518B ΔE 0.052
Use #57628F 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.