#4F6C8A
Closest named color: Metallic Blue (#4F738E). oklch(52.1% 0.059 249.8), rgb(79, 108, 138).
Aa
White text reads best on this color (5.46:1).
About this color
#4F6C8A is a medium-dark, muted blue. In OKLCH its lightness is 52%, its chroma 0.059 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.020 away. White text reads best on it, at 5.46:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #4F6C8A |
| RGB | rgb(79, 108, 138) |
| HSL | hsl(211, 27%, 43%) |
| OKLCH | oklch(52.1% 0.059 249.8) |
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 #4F6C8A | 5.46:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #4F6C8A | 3.84:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #4F6C8A text on white | 5.46:1 | AA | Lc 77.2 | Fine for body text |
| #4F6C8A text on black | 3.84:1 | AA large text | Lc -24.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B3C2D3
oklch(80.8% 0.029 251.5)
-
Step 400
400
#8CA3BC
oklch(70.6% 0.045 250.6)
-
Step 500
500
#6F8DAC
oklch(63.2% 0.058 249.6)
-
Step 600
600
#577697
oklch(55.5% 0.063 250.5)
-
Step 700
700 (this color)
#4F6C8A
oklch(52.1% 0.059 249.8)
-
Step 800
800
#3A5169
oklch(42.6% 0.049 250.1)
-
Step 900
900
#324355
oklch(37.6% 0.038 250.3)
-
Step 950
950
#1E2732
oklch(26.9% 0.024 253.7)
#4F6C8A 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) | #606D8B | 0.023 |
| Deuteranopia (no green cones) | #596789 | 0.018 |
| Tritanopia (no blue cones) | #397376 | 0.051 |
| Achromatopsia (no color) | #696969 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F6C8A
#4F6C8A
oklch(52.1% 0.059 249.8)
- #7F6343
#7F6343
oklch(52% 0.059 69.7)
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 #4F6C8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.020
- Dull Blue #49759C ΔE 0.033
- Muted Blue #3B719F ΔE 0.036
- Slate #516572 ΔE 0.038
- Denim #3B638C ΔE 0.039
- Cerulean #457B9D ΔE 0.046
- Stormy Blue #507B9C ΔE 0.046
- Dusky Blue #475F94 ΔE 0.048
Use #4F6C8A 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.