#4F709E
Closest named color: Dull Blue (#49759C). oklch(54% 0.082 256.8), rgb(79, 112, 158).
Aa
White text reads best on this color (5.06:1).
About this color
#4F709E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.082 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.016 away. White text reads best on it, at 5.06:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #4F709E |
| RGB | rgb(79, 112, 158) |
| HSL | hsl(215, 33%, 46%) |
| OKLCH | oklch(54% 0.082 256.8) |
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 #4F709E | 5.06:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #4F709E | 4.14:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #4F709E text on white | 5.06:1 | AA | Lc 74.9 | Content text, not long reading |
| #4F709E text on black | 4.14:1 | AA large text | Lc -26.8 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2D9
oklch(80.9% 0.037 257.4)
-
Step 400
400
#89A2C6
oklch(70.6% 0.06 257.5)
-
Step 500
500
#6C8BB7
oklch(63% 0.076 257.2)
-
Step 600
600 (this color)
#4F709E
oklch(54% 0.082 256.8)
-
Step 700
700
#44628C
oklch(49.1% 0.077 256.9)
-
Step 800
800
#385071
oklch(42.7% 0.063 256.5)
-
Step 900
900
#30425C
oklch(37.6% 0.051 257.5)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#4F709E 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) | #5E73A0 | 0.022 |
| Deuteranopia (no green cones) | #556B9D | 0.015 |
| Tritanopia (no blue cones) | #2B7A80 | 0.073 |
| Achromatopsia (no color) | #6E6E6E | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F709E
#4F709E
oklch(54% 0.082 256.8)
- #8A6833
#8A6833
oklch(54% 0.083 76.5)
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 #4F709E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.016
- Muted Blue #3B719F ΔE 0.021
- Flat Blue #3C73A8 ΔE 0.023
- Metallic Blue #4F738E ΔE 0.030
- Cerulean #457B9D ΔE 0.033
- French Blue #436BAD ΔE 0.034
- Stormy Blue #507B9C ΔE 0.034
- Nice Blue #107AB0 ΔE 0.050
Use #4F709E 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.