#5E647B
Closest named color: Slate (#516572). oklch(50.7% 0.037 273.6), rgb(94, 100, 123).
Aa
White text reads best on this color (5.85:1).
About this color
#5E647B is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.037 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.025 away. White text reads best on it, at 5.85:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.58:1 |
| White text | 5.85:1 |
Values
| HEX | #5E647B |
| RGB | rgb(94, 100, 123) |
| HSL | hsl(228, 13%, 43%) |
| OKLCH | oklch(50.7% 0.037 273.6) |
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 #5E647B | 5.85:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #5E647B | 3.58:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #5E647B text on white | 5.85:1 | AA | Lc 79.3 | Fine for body text |
| #5E647B text on black | 3.58:1 | AA large text | Lc -22.5 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D7D9E0
oklch(88.6% 0.01 273.3)
-
Step 300
300
#BDC0CD
oklch(80.9% 0.018 275.6)
-
Step 400
400
#9AA0B3
oklch(70.7% 0.028 271.7)
-
Step 500
500
#8288A0
oklch(63% 0.037 274.2)
-
Step 600
600
#6B728B
oklch(55.5% 0.04 272.8)
-
Step 700
700 (this color)
#5E647B
oklch(50.7% 0.037 273.6)
-
Step 800
800
#494E60
oklch(42.6% 0.031 272.9)
-
Step 900
900
#3D414F
oklch(37.7% 0.025 272.6)
-
Step 950
950
#24262E
oklch(27% 0.015 274.3)
#5E647B 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) | #5D667C | 0.006 |
| Deuteranopia (no green cones) | #5B647A | 0.005 |
| Tritanopia (no blue cones) | #57686C | 0.033 |
| Achromatopsia (no color) | #656565 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E647B
#5E647B
oklch(50.7% 0.037 273.6)
- #6C654D
#6C654D
oklch(50.7% 0.037 93.7)
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 #5E647B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.025
- Dim Gray #696969 ΔE 0.040
- Dusty Grape #545775 ΔE 0.042
- Metallic Blue #4F738E ΔE 0.047
- Denim #3B638C ΔE 0.052
- YInMn Blue #415A77 ΔE 0.053
- Dusky Blue #475F94 ΔE 0.056
- Battleship Gray #6C757D ΔE 0.056
Use #5E647B 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.