#56687E
Closest named color: Slate (#516572). oklch(51.1% 0.041 253.7), rgb(86, 104, 126).
Aa
White text reads best on this color (5.71:1).
About this color
#56687E is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.041 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.021 away. White text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #56687E |
| RGB | rgb(86, 104, 126) |
| HSL | hsl(213, 19%, 42%) |
| OKLCH | oklch(51.1% 0.041 253.7) |
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 #56687E | 5.71:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #56687E | 3.67:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #56687E text on white | 5.71:1 | AA | Lc 78.6 | Fine for body text |
| #56687E text on black | 3.67:1 | AA large text | Lc -23.2 | 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
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B8C2CE
oklch(81% 0.02 252.9)
-
Step 400
400
#93A2B5
oklch(70.7% 0.033 254.4)
-
Step 500
500
#798BA2
oklch(63.1% 0.041 254.7)
-
Step 600
600
#61758D
oklch(55.5% 0.044 253.2)
-
Step 700
700 (this color)
#56687E
oklch(51.1% 0.041 253.7)
-
Step 800
800
#425062
oklch(42.6% 0.035 254.9)
-
Step 900
900
#384350
oklch(37.8% 0.027 252.8)
-
Step 950
950
#21272F
oklch(27% 0.017 255.7)
#56687E 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) | #60697F | 0.015 |
| Deuteranopia (no green cones) | #5B657E | 0.011 |
| Tritanopia (no blue cones) | #4A6D6F | 0.037 |
| Achromatopsia (no color) | #666666 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56687E
#56687E
oklch(51.1% 0.041 253.7)
- #75634C
#75634C
oklch(51.1% 0.041 73.5)
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 #56687E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.021
- Metallic Blue #4F738E ΔE 0.035
- Dim Gray #696969 ΔE 0.042
- Denim #3B638C ΔE 0.045
- Dusty Grape #545775 ΔE 0.050
- Dull Blue #49759C ΔE 0.052
- Battleship Gray #6C757D ΔE 0.053
- YInMn Blue #415A77 ΔE 0.053
Use #56687E 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.