#5B80AF
Closest named color: Off Blue (#5684AE). oklch(59.2% 0.084 254.8), rgb(91, 128, 175).
Aa
Black text reads best on this color (5.15:1).
About this color
#5B80AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.084 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.013 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #5B80AF |
| RGB | rgb(91, 128, 175) |
| HSL | hsl(214, 34%, 52%) |
| OKLCH | oklch(59.2% 0.084 254.8) |
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 #5B80AF | 4.07:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #5B80AF | 5.15:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #5B80AF text on white | 4.07:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #5B80AF text on black | 5.15:1 | AA | Lc -33.8 | 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
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300
#B1C2D9
oklch(80.8% 0.038 256)
-
Step 400
400
#87A3C6
oklch(70.7% 0.06 254.2)
-
Step 500
500
#698CB8
oklch(63.1% 0.078 254.5)
-
Step 600
600 (this color)
#5B80AF
oklch(59.2% 0.084 254.8)
-
Step 700
700
#41628C
oklch(49% 0.078 255)
-
Step 800
800
#365072
oklch(42.6% 0.065 255.5)
-
Step 900
900
#2F435C
oklch(37.7% 0.05 254.4)
-
Step 950
950
#1C2736
oklch(27% 0.032 256.3)
#5B80AF 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) | #6E82B1 | 0.025 |
| Deuteranopia (no green cones) | #647AAE | 0.019 |
| Tritanopia (no blue cones) | #378A90 | 0.073 |
| Achromatopsia (no color) | #7E7E7E | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B80AF
#5B80AF
oklch(59.2% 0.084 254.8)
- #9B7642
#9B7642
oklch(59.1% 0.083 74.4)
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 #5B80AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.013
- Dusty Blue #5A86AD ΔE 0.018
- Steel Blue #4682B4 ΔE 0.022
- Cool Blue #4984B8 ΔE 0.022
- Stormy Blue #507B9C ΔE 0.034
- Faded Blue #658CBB ΔE 0.039
- Cerulean #457B9D ΔE 0.040
- Dull Blue #49759C ΔE 0.046
Use #5B80AF 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.