#4E677B
Closest named color: Slate (#516572). oklch(50.2% 0.044 242.9), rgb(78, 103, 123).
Aa
White text reads best on this color (5.91:1).
About this color
#4E677B is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.044 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.014 away. White text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.55:1 |
| White text | 5.91:1 |
Values
| HEX | #4E677B |
| RGB | rgb(78, 103, 123) |
| HSL | hsl(207, 22%, 39%) |
| OKLCH | oklch(50.2% 0.044 242.9) |
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 #4E677B | 5.91:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #4E677B | 3.55:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #4E677B text on white | 5.91:1 | AA | Lc 79.6 | Fine for body text |
| #4E677B text on black | 3.55:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B5C3CD
oklch(80.9% 0.021 238.7)
-
Step 400
400
#8FA4B4
oklch(70.8% 0.033 240.9)
-
Step 500
500
#738DA2
oklch(63.1% 0.043 242.8)
-
Step 600
600
#5B778D
oklch(55.6% 0.047 242.3)
-
Step 700
700 (this color)
#4E677B
oklch(50.2% 0.044 242.9)
-
Step 800
800
#3E5261
oklch(42.8% 0.035 241)
-
Step 900
900
#354450
oklch(37.8% 0.028 242.6)
-
Step 950
950
#1F282F
oklch(27.1% 0.018 241.7)
#4E677B 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) | #5F677C | 0.024 |
| Deuteranopia (no green cones) | #59627B | 0.020 |
| Tritanopia (no blue cones) | #3F6C6D | 0.036 |
| Achromatopsia (no color) | #646464 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E677B
#4E677B
oklch(50.2% 0.044 242.9)
- #765F4A
#765F4A
oklch(50.3% 0.044 64)
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 #4E677B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.014
- Denim #3B638C ΔE 0.040
- Metallic Blue #4F738E ΔE 0.041
- YInMn Blue #415A77 ΔE 0.044
- Dusty Grape #545775 ΔE 0.046
- Dim Gray #696969 ΔE 0.048
- Dusky Blue #475F94 ΔE 0.053
- Dull Blue #49759C ΔE 0.057
Use #4E677B 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.