#5283AA
Closest named color: Off Blue (#5684AE). oklch(59.1% 0.08 243.7), rgb(82, 131, 170).
Aa
Black text reads best on this color (5.18:1).
About this color
#5283AA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.080 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.008 away. Black text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.18:1 |
| White text | 4.04:1 |
Values
| HEX | #5283AA |
| RGB | rgb(82, 131, 170) |
| HSL | hsl(207, 35%, 49%) |
| OKLCH | oklch(59.1% 0.08 243.7) |
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 #5283AA | 4.04:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #5283AA | 5.18:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #5283AA text on white | 4.04:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #5283AA text on black | 5.18:1 | AA | Lc -34.0 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300
#AEC4D7
oklch(81% 0.036 244.3)
-
Step 400
400
#82A5C2
oklch(70.6% 0.057 243.7)
-
Step 500
500
#628FB3
oklch(63.2% 0.073 243.4)
-
Step 600
600 (this color)
#5283AA
oklch(59.1% 0.08 243.7)
-
Step 700
700
#396588
oklch(49.1% 0.075 244.2)
-
Step 800
800
#30536E
oklch(42.8% 0.061 243.1)
-
Step 900
900
#2A4459
oklch(37.5% 0.048 243.9)
-
Step 950
950
#192834
oklch(26.9% 0.03 243.3)
#5283AA 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) | #7283AC | 0.039 |
| Deuteranopia (no green cones) | #677AA9 | 0.033 |
| Tritanopia (no blue cones) | #238C90 | 0.066 |
| Achromatopsia (no color) | #7E7E7E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5283AA
#5283AA
oklch(59.1% 0.08 243.7)
- #9F7349
#9F7349
oklch(59% 0.08 63.9)
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 #5283AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.008
- Dusty Blue #5A86AD ΔE 0.013
- Steel Blue #4682B4 ΔE 0.020
- Cool Blue #4984B8 ΔE 0.022
- Stormy Blue #507B9C ΔE 0.028
- Cerulean #457B9D ΔE 0.032
- Blue NCS #118AB2 ΔE 0.041
- Faded Blue #658CBB ΔE 0.042
Use #5283AA 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.