#54588D
Closest named color: Twilight (#4E518B). oklch(48.1% 0.085 279.4), rgb(84, 88, 141).
Aa
White text reads best on this color (6.65:1).
About this color
#54588D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.085 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.023 away. White text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #54588D |
| RGB | rgb(84, 88, 141) |
| HSL | hsl(236, 25%, 44%) |
| OKLCH | oklch(48.1% 0.085 279.4) |
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 #54588D | 6.65:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #54588D | 3.15:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #54588D text on white | 6.65:1 | AA | Lc 82.8 | Fine for body text |
| #54588D text on black | 3.15:1 | AA large text | Lc -19.1 | 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 700.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#BABEDB
oklch(80.8% 0.041 279.2)
-
Step 400
400
#989DCA
oklch(70.8% 0.066 279.6)
-
Step 500
500
#7F84BC
oklch(63.1% 0.084 279.8)
-
Step 600
600
#686DA8
oklch(55.6% 0.091 279.3)
-
Step 700
700 (this color)
#54588D
oklch(48.1% 0.085 279.4)
-
Step 800
800
#474A75
oklch(42.6% 0.071 279.9)
-
Step 900
900
#3B3E5E
oklch(37.6% 0.055 279.3)
-
Step 950
950
#232537
oklch(27.1% 0.034 279)
#54588D 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) | #465F8F | 0.025 |
| Deuteranopia (no green cones) | #435A8C | 0.024 |
| Tritanopia (no blue cones) | #43626C | 0.073 |
| Achromatopsia (no color) | #5C5C5C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #54588D
#54588D
oklch(48.1% 0.085 279.4)
- #6A5E1D
#6A5E1D
oklch(48% 0.085 98.6)
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 #54588D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.023
- Dusk #4E5481 ΔE 0.023
- Dusky Blue #475F94 ΔE 0.025
- Denim Blue #3B5B92 ΔE 0.033
- Dusty Grape #545775 ΔE 0.039
- Denim #3B638C ΔE 0.043
- YInMn Blue #415A77 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.048
Use #54588D 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.