#58637A
Closest named color: Slate (#516572). oklch(49.9% 0.039 264.9), rgb(88, 99, 122).
Aa
White text reads best on this color (6.03:1).
About this color
#58637A is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.039 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.019 away. White text reads best on it, at 6.03:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.48:1 |
| White text | 6.03:1 |
Values
| HEX | #58637A |
| RGB | rgb(88, 99, 122) |
| HSL | hsl(221, 16%, 41%) |
| OKLCH | oklch(49.9% 0.039 264.9) |
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 #58637A | 6.03:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #58637A | 3.48:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #58637A text on white | 6.03:1 | AA | Lc 80.2 | Fine for body text |
| #58637A text on black | 3.48:1 | AA large text | Lc -21.7 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E0
oklch(88.5% 0.01 267.4)
-
Step 300
300
#BBC1CD
oklch(81% 0.018 264.5)
-
Step 400
400
#97A1B4
oklch(70.7% 0.03 263.4)
-
Step 500
500
#7E8AA2
oklch(63.2% 0.039 264.2)
-
Step 600
600
#67738D
oklch(55.5% 0.043 265.6)
-
Step 700
700 (this color)
#58637A
oklch(49.9% 0.039 264.9)
-
Step 800
800
#464F61
oklch(42.7% 0.032 264.1)
-
Step 900
900
#3B424F
oklch(37.8% 0.024 262.8)
-
Step 950
950
#23262F
oklch(26.9% 0.017 270.7)
#58637A 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) | #5C647B | 0.007 |
| Deuteranopia (no green cones) | #596179 | 0.006 |
| Tritanopia (no blue cones) | #4F686B | 0.035 |
| Achromatopsia (no color) | #636363 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #58637A
#58637A
oklch(49.9% 0.039 264.9)
- #6D6249
#6D6249
oklch(50% 0.04 87)
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 #58637A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.019
- Dusty Grape #545775 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.044
- Denim #3B638C ΔE 0.045
- Dim Gray #696969 ΔE 0.045
- Metallic Blue #4F738E ΔE 0.049
- Dusky Blue #475F94 ΔE 0.052
- Dusk #4E5481 ΔE 0.053
Use #58637A 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.