#5F74AD
Closest named color: Dull Blue (#49759C). oklch(56.7% 0.092 268), rgb(95, 116, 173).
Aa
Black text reads best on this color (4.58:1).
About this color
#5F74AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.092 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.040 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #5F74AD |
| RGB | rgb(95, 116, 173) |
| HSL | hsl(224, 32%, 53%) |
| OKLCH | oklch(56.7% 0.092 268) |
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 #5F74AD | 4.57:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #5F74AD | 4.58:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #5F74AD text on white | 4.57:1 | AA | Lc 71.7 | Content text, not long reading |
| #5F74AD text on black | 4.58:1 | AA | Lc -30.0 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D2D9E9
oklch(88.5% 0.023 266.9)
-
Step 300
300
#B5C0DC
oklch(80.8% 0.041 268.5)
-
Step 400
400
#8FA0CB
oklch(70.8% 0.066 267.9)
-
Step 500
500
#7388BD
oklch(63.1% 0.084 267.4)
-
Step 600
600 (this color)
#5F74AD
oklch(56.7% 0.092 268)
-
Step 700
700
#4C5E92
oklch(49.1% 0.087 268.6)
-
Step 800
800
#3E4D76
oklch(42.6% 0.071 268)
-
Step 900
900
#35405F
oklch(37.6% 0.055 268.7)
-
Step 950
950
#1F2638
oklch(27.1% 0.035 267.7)
#5F74AD 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) | #5F79AF | 0.014 |
| Deuteranopia (no green cones) | #5872AC | 0.011 |
| Tritanopia (no blue cones) | #438089 | 0.082 |
| Achromatopsia (no color) | #757575 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F74AD
#5F74AD
oklch(56.7% 0.092 268)
- #8D732F
#8D732F
oklch(56.7% 0.092 88.1)
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 #5F74AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.040
- Flat Blue #3C73A8 ΔE 0.041
- Stormy Blue #507B9C ΔE 0.042
- Steel Blue #4682B4 ΔE 0.043
- French Blue #436BAD ΔE 0.045
- Off Blue #5684AE ΔE 0.045
- Cerulean #457B9D ΔE 0.047
- Cool Blue #4984B8 ΔE 0.047
Use #5F74AD 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.