#5779B8
Closest named color: Steel Blue (#4682B4). oklch(57.8% 0.105 262), rgb(87, 121, 184).
Aa
Black text reads best on this color (4.83:1).
About this color
#5779B8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.105 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.031 away. Black text reads best on it, at 4.83:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #5779B8 |
| RGB | rgb(87, 121, 184) |
| HSL | hsl(219, 41%, 53%) |
| OKLCH | oklch(57.8% 0.105 262) |
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 #5779B8 | 4.34:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #5779B8 | 4.83:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #5779B8 text on white | 4.34:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #5779B8 text on black | 4.83:1 | AA | Lc -31.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEB
oklch(88.6% 0.026 261.1)
-
Step 300
300
#B0C1E0
oklch(80.8% 0.048 262.5)
-
Step 400
400
#87A1D0
oklch(70.7% 0.075 262.1)
-
Step 500
500
#6989C4
oklch(63% 0.097 262.1)
-
Step 600
600 (this color)
#5779B8
oklch(57.8% 0.105 262)
-
Step 700
700
#416098
oklch(49.2% 0.097 261.5)
-
Step 800
800
#364E7B
oklch(42.6% 0.081 262.2)
-
Step 900
900
#2F4163
oklch(37.6% 0.063 262.4)
-
Step 950
950
#1C263A
oklch(26.9% 0.04 263.6)
#5779B8 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) | #607EBB | 0.019 |
| Deuteranopia (no green cones) | #5575B7 | 0.012 |
| Tritanopia (no blue cones) | #268790 | 0.094 |
| Achromatopsia (no color) | #797979 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5779B8
#5779B8
oklch(57.8% 0.105 262)
- #997323
#997323
oklch(57.9% 0.105 81.9)
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 #5779B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.031
- Cool Blue #4984B8 ΔE 0.032
- Windows Blue #3778BF ΔE 0.033
- Off Blue #5684AE ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.043
- Dusty Blue #5A86AD ΔE 0.045
- Stormy Blue #507B9C ΔE 0.047
- Dull Blue #49759C ΔE 0.048
Use #5779B8 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.