#5881AB
Closest named color: Off Blue (#5684AE). oklch(59% 0.079 249.9), rgb(88, 129, 171).
Aa
Black text reads best on this color (5.14:1).
About this color
#5881AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.079 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.009 away. Black text reads best on it, at 5.14:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #5881AB |
| RGB | rgb(88, 129, 171) |
| HSL | hsl(210, 33%, 51%) |
| OKLCH | oklch(59% 0.079 249.9) |
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 #5881AB | 4.08:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #5881AB | 5.14:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #5881AB text on white | 4.08:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #5881AB text on black | 5.14:1 | AA | Lc -33.7 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B0C3D7
oklch(80.9% 0.035 249.6)
-
Step 400
400
#86A4C3
oklch(70.7% 0.056 249.5)
-
Step 500
500
#678DB4
oklch(63% 0.073 249.7)
-
Step 600
600 (this color)
#5881AB
oklch(59% 0.079 249.9)
-
Step 700
700
#3F6489
oklch(49.2% 0.073 249.5)
-
Step 800
800
#34516F
oklch(42.6% 0.061 250.2)
-
Step 900
900
#2E445A
oklch(37.8% 0.047 249.2)
-
Step 950
950
#1B2835
oklch(27.1% 0.03 249)
#5881AB 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) | #7082AD | 0.030 |
| Deuteranopia (no green cones) | #667AAA | 0.024 |
| Tritanopia (no blue cones) | #338B8F | 0.069 |
| Achromatopsia (no color) | #7E7E7E | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5881AB
#5881AB
oklch(59% 0.079 249.9)
- #9C7547
#9C7547
oklch(59.1% 0.079 69.9)
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 #5881AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.009
- Dusty Blue #5A86AD ΔE 0.015
- Steel Blue #4682B4 ΔE 0.021
- Cool Blue #4984B8 ΔE 0.023
- Stormy Blue #507B9C ΔE 0.029
- Cerulean #457B9D ΔE 0.035
- Faded Blue #658CBB ΔE 0.040
- Dull Blue #49759C ΔE 0.044
Use #5881AB 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.