#4F708A
Closest named color: Metallic Blue (#4F738E). oklch(53% 0.056 242.8), rgb(79, 112, 138).
Aa
White text reads best on this color (5.22:1).
About this color
#4F708A is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.056 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.009 away. White text reads best on it, at 5.22:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #4F708A |
| RGB | rgb(79, 112, 138) |
| HSL | hsl(206, 27%, 43%) |
| OKLCH | oklch(53% 0.056 242.8) |
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 #4F708A | 5.22:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #4F708A | 4.01:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #4F708A text on white | 5.22:1 | AA | Lc 75.9 | Fine for body text |
| #4F708A text on black | 4.01:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B3C3D0
oklch(80.9% 0.025 242.4)
-
Step 400
400
#8BA4B8
oklch(70.6% 0.041 242.4)
-
Step 500
500
#6F8EA7
oklch(63.2% 0.051 243)
-
Step 600
600 (this color)
#4F708A
oklch(53% 0.056 242.8)
-
Step 700
700
#46647C
oklch(49% 0.052 243.2)
-
Step 800
800
#3A5265
oklch(42.7% 0.043 242.8)
-
Step 900
900
#324452
oklch(37.7% 0.033 242.1)
-
Step 950
950
#1D2830
oklch(27% 0.021 240.1)
#4F708A 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) | #65708B | 0.029 |
| Deuteranopia (no green cones) | #5D6A8A | 0.024 |
| Tritanopia (no blue cones) | #397679 | 0.044 |
| Achromatopsia (no color) | #6C6C6C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F708A
#4F708A
oklch(53% 0.056 242.8)
- #83654A
#83654A
oklch(53% 0.055 63.2)
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 #4F708A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.009
- Dull Blue #49759C ΔE 0.028
- Muted Blue #3B719F ΔE 0.037
- Cerulean #457B9D ΔE 0.037
- Stormy Blue #507B9C ΔE 0.037
- Slate #516572 ΔE 0.043
- Battleship Gray #6C757D ΔE 0.048
- Flat Blue #3C73A8 ΔE 0.048
Use #4F708A 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.