#5877B4
Closest named color: Steel Blue (#4682B4). oklch(57.2% 0.101 263), rgb(88, 119, 180).
Aa
Black text reads best on this color (4.71:1).
About this color
#5877B4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.101 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.034 away. Black text reads best on it, at 4.71:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #5877B4 |
| RGB | rgb(88, 119, 180) |
| HSL | hsl(220, 38%, 53%) |
| OKLCH | oklch(57.2% 0.101 263) |
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 #5877B4 | 4.45:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #5877B4 | 4.71:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #5877B4 text on white | 4.45:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #5877B4 text on black | 4.71:1 | AA | Lc -30.9 | 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
#D0D9EA
oklch(88.4% 0.025 263.3)
-
Step 300
300
#B1C1DF
oklch(80.9% 0.046 263)
-
Step 400
400
#89A1CF
oklch(70.8% 0.073 263.2)
-
Step 500
500
#6B89C2
oklch(63.1% 0.093 262.7)
-
Step 600
600 (this color)
#5877B4
oklch(57.2% 0.101 263)
-
Step 700
700
#445F96
oklch(49% 0.094 263.5)
-
Step 800
800
#384E7A
oklch(42.7% 0.078 263.3)
-
Step 900
900
#304162
oklch(37.6% 0.061 262.9)
-
Step 950
950
#1C2639
oklch(26.9% 0.038 262.7)
#5877B4 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) | #5F7CB7 | 0.017 |
| Deuteranopia (no green cones) | #5573B3 | 0.012 |
| Tritanopia (no blue cones) | #2D848D | 0.091 |
| Achromatopsia (no color) | #777777 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5877B4
#5877B4
oklch(57.2% 0.101 263)
- #957226
#957226
oklch(57.3% 0.101 83.1)
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 #5877B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.034
- Windows Blue #3778BF ΔE 0.035
- Cool Blue #4984B8 ΔE 0.037
- Flat Blue #3C73A8 ΔE 0.039
- Off Blue #5684AE ΔE 0.041
- Dull Blue #49759C ΔE 0.043
- Stormy Blue #507B9C ΔE 0.044
- French Blue #436BAD ΔE 0.045
Use #5877B4 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.