#5281AF
Closest named color: Off Blue (#5684AE). oklch(58.9% 0.088 249), rgb(82, 129, 175).
Aa
Black text reads best on this color (5.11:1).
About this color
#5281AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.088 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.011 away. Black text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #5281AF |
| RGB | rgb(82, 129, 175) |
| HSL | hsl(210, 37%, 50%) |
| OKLCH | oklch(58.9% 0.088 249) |
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 #5281AF | 4.10:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #5281AF | 5.11:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #5281AF text on white | 4.10:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #5281AF text on black | 5.11:1 | AA | Lc -33.6 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#AEC3DA
oklch(80.9% 0.04 250.7)
-
Step 400
400
#82A4C7
oklch(70.6% 0.064 249.5)
-
Step 500
500
#628EB9
oklch(63.2% 0.081 248.7)
-
Step 600
600 (this color)
#5281AF
oklch(58.9% 0.088 249)
-
Step 700
700
#3A648D
oklch(49.1% 0.081 249.3)
-
Step 800
800
#305272
oklch(42.7% 0.067 248.2)
-
Step 900
900
#2B445C
oklch(37.7% 0.052 248.4)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#5281AF 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 | 0.034 |
| Deuteranopia (no green cones) | #6279AE | 0.027 |
| Tritanopia (no blue cones) | #1D8C91 | 0.076 |
| Achromatopsia (no color) | #7D7D7D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5281AF
#5281AF
oklch(58.9% 0.088 249)
- #9F7340
#9F7340
oklch(58.9% 0.088 68.8)
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 #5281AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.011
- Steel Blue #4682B4 ΔE 0.013
- Cool Blue #4984B8 ΔE 0.015
- Dusty Blue #5A86AD ΔE 0.019
- Stormy Blue #507B9C ΔE 0.031
- Cerulean #457B9D ΔE 0.035
- Faded Blue #658CBB ΔE 0.042
- Dull Blue #49759C ΔE 0.043
Use #5281AF 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.