#5B79AE
Closest named color: Steel Blue (#4682B4). oklch(57.6% 0.089 261.4), rgb(91, 121, 174).
Aa
Black text reads best on this color (4.79:1).
About this color
#5B79AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.089 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.030 away. Black text reads best on it, at 4.79:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.79:1 |
| White text | 4.38:1 |
Values
| HEX | #5B79AE |
| RGB | rgb(91, 121, 174) |
| HSL | hsl(218, 34%, 52%) |
| OKLCH | oklch(57.6% 0.089 261.4) |
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 #5B79AE | 4.38:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #5B79AE | 4.79:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #5B79AE text on white | 4.38:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #5B79AE text on black | 4.79:1 | AA | Lc -31.4 | Non-text elements, placeholder text |
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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B2C1DB
oklch(80.8% 0.04 261.5)
-
Step 400
400
#8AA1C9
oklch(70.6% 0.064 261.4)
-
Step 500
500
#6D8ABC
oklch(63.1% 0.083 261)
-
Step 600
600 (this color)
#5B79AE
oklch(57.6% 0.089 261.4)
-
Step 700
700
#466090
oklch(49% 0.084 262)
-
Step 800
800
#394F75
oklch(42.7% 0.069 260.9)
-
Step 900
900
#31425E
oklch(37.7% 0.053 260.1)
-
Step 950
950
#1D2737
oklch(27.1% 0.033 259.6)
#5B79AE 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) | #657DB0 | 0.018 |
| Deuteranopia (no green cones) | #5C75AD | 0.011 |
| Tritanopia (no blue cones) | #39848C | 0.079 |
| Achromatopsia (no color) | #797979 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B79AE
#5B79AE
oklch(57.6% 0.089 261.4)
- #947336
#947336
oklch(57.5% 0.089 80.7)
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 #5B79AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.030
- Off Blue #5684AE ΔE 0.031
- Cool Blue #4984B8 ΔE 0.033
- Stormy Blue #507B9C ΔE 0.034
- Dull Blue #49759C ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.038
- Cerulean #457B9D ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.041
Use #5B79AE 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.