#5F729E
Closest named color: Dull Blue (#49759C). oklch(55.5% 0.073 266.1), rgb(95, 114, 158).
Aa
White text reads best on this color (4.78:1).
About this color
#5F729E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.073 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.027 away. White text reads best on it, at 4.78:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #5F729E |
| RGB | rgb(95, 114, 158) |
| HSL | hsl(222, 25%, 50%) |
| OKLCH | oklch(55.5% 0.073 266.1) |
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 #5F729E | 4.78:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #5F729E | 4.38:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #5F729E text on white | 4.78:1 | AA | Lc 73.2 | Content text, not long reading |
| #5F729E text on black | 4.38:1 | AA large text | Lc -28.5 | 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 600.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D3D9E6
oklch(88.5% 0.019 266)
-
Step 300
300
#B7C1D6
oklch(81% 0.032 265.3)
-
Step 400
400
#91A0C2
oklch(70.6% 0.053 266.3)
-
Step 500
500
#7789B3
oklch(63.2% 0.067 266.5)
-
Step 600
600 (this color)
#5F729E
oklch(55.5% 0.073 266.1)
-
Step 700
700
#4F6087
oklch(49.2% 0.066 265.9)
-
Step 800
800
#414E6E
oklch(42.7% 0.056 267)
-
Step 900
900
#374159
oklch(37.7% 0.043 266.8)
-
Step 950
950
#202634
oklch(26.9% 0.028 266.5)
#5F729E 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) | #6375A0 | 0.011 |
| Deuteranopia (no green cones) | #5D709D | 0.007 |
| Tritanopia (no blue cones) | #4B7B81 | 0.065 |
| Achromatopsia (no color) | #727272 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F729E
#5F729E
oklch(55.5% 0.073 266.1)
- #86703F
#86703F
oklch(55.5% 0.073 85.9)
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 #5F729E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.027
- Stormy Blue #507B9C ΔE 0.031
- Metallic Blue #4F738E ΔE 0.035
- Cerulean #457B9D ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.040
- Muted Blue #3B719F ΔE 0.041
- Grey Blue #647D8E ΔE 0.047
- French Blue #436BAD ΔE 0.049
Use #5F729E 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.