#4E667B
Closest named color: Slate (#516572). oklch(49.9% 0.044 245.3), rgb(78, 102, 123).
Aa
White text reads best on this color (5.98:1).
About this color
#4E667B is a medium-dark, muted blue. In OKLCH its lightness is 50%, its chroma 0.044 and its hue 245°. 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 5.98:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.51:1 |
| White text | 5.98:1 |
Values
| HEX | #4E667B |
| RGB | rgb(78, 102, 123) |
| HSL | hsl(208, 22%, 39%) |
| OKLCH | oklch(49.9% 0.044 245.3) |
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 #4E667B | 5.98:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #4E667B | 3.51:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #4E667B text on white | 5.98:1 | AA | Lc 79.9 | Fine for body text |
| #4E667B text on black | 3.51:1 | AA large text | Lc -21.9 | 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
#D3DAE1
oklch(88.5% 0.012 248)
-
Step 300
300
#B6C2CE
oklch(80.8% 0.022 248.1)
-
Step 400
400
#8FA3B5
oklch(70.6% 0.035 245.5)
-
Step 500
500
#748DA3
oklch(63.2% 0.044 245.1)
-
Step 600
600
#5C778E
oklch(55.7% 0.048 244.5)
-
Step 700
700 (this color)
#4E667B
oklch(49.9% 0.044 245.3)
-
Step 800
800
#3E5162
oklch(42.6% 0.037 245.8)
-
Step 900
900
#354350
oklch(37.6% 0.029 246.7)
-
Step 950
950
#1F272F
oklch(26.9% 0.019 248.5)
#4E667B 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) | #5E667C | 0.022 |
| Deuteranopia (no green cones) | #58617B | 0.019 |
| Tritanopia (no blue cones) | #3F6B6D | 0.037 |
| Achromatopsia (no color) | #636363 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E667B
#4E667B
oklch(49.9% 0.044 245.3)
- #755E48
#755E48
oklch(49.9% 0.045 65.2)
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 #4E667B, 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 0.038
- YInMn Blue #415A77 ΔE 0.042
- Metallic Blue #4F738E ΔE 0.043
- Dusty Grape #545775 ΔE 0.043
- Dim Gray #696969 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.052
- Dusk #4E5481 ΔE 0.058
Use #4E667B 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.