#5879B2
Closest named color: Steel Blue (#4682B4). oklch(57.6% 0.096 260.9), rgb(88, 121, 178).
Aa
Black text reads best on this color (4.79:1).
About this color
#5879B2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.096 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.029 away. Black text reads best on it, at 4.79:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.79:1 |
| White text | 4.38:1 |
Values
| HEX | #5879B2 |
| RGB | rgb(88, 121, 178) |
| HSL | hsl(218, 37%, 52%) |
| OKLCH | oklch(57.6% 0.096 260.9) |
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 #5879B2 | 4.38:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #5879B2 | 4.79:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #5879B2 text on white | 4.38:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #5879B2 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B1C2DD
oklch(81% 0.043 259.6)
-
Step 400
400
#88A1CC
oklch(70.6% 0.069 261.1)
-
Step 500
500
#6B8ABF
oklch(63.1% 0.088 260.8)
-
Step 600
600 (this color)
#5879B2
oklch(57.6% 0.096 260.9)
-
Step 700
700
#436093
oklch(49% 0.089 261.1)
-
Step 800
800
#374F78
oklch(42.8% 0.075 260.7)
-
Step 900
900
#304260
oklch(37.8% 0.057 260.3)
-
Step 950
950
#1C2738
oklch(27.1% 0.035 258.9)
#5879B2 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) | #637DB4 | 0.019 |
| Deuteranopia (no green cones) | #5975B1 | 0.011 |
| Tritanopia (no blue cones) | #2F858D | 0.086 |
| Achromatopsia (no color) | #797979 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5879B2
#5879B2
oklch(57.6% 0.096 260.9)
- #96732E
#96732E
oklch(57.7% 0.096 81.5)
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 #5879B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.029
- Cool Blue #4984B8 ΔE 0.032
- Off Blue #5684AE ΔE 0.034
- Windows Blue #3778BF ΔE 0.038
- Stormy Blue #507B9C ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.039
- Dull Blue #49759C ΔE 0.040
- Dusty Blue #5A86AD ΔE 0.041
Use #5879B2 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.