#5289BE
Closest named color: Cool Blue (#4984B8). oklch(61.5% 0.1 248.9), rgb(82, 137, 190).
Aa
Black text reads best on this color (5.68:1).
About this color
#5289BE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.100 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.019 away. Black text reads best on it, at 5.68:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.68:1 |
| White text | 3.69:1 |
Values
| HEX | #5289BE |
| RGB | rgb(82, 137, 190) |
| HSL | hsl(209, 45%, 53%) |
| OKLCH | oklch(61.5% 0.1 248.9) |
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 #5289BE | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #5289BE | 5.68:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #5289BE text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #5289BE text on black | 5.68:1 | AA | Lc -37.3 | 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 500.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#A9C4DF
oklch(80.9% 0.048 248.4)
-
Step 400
400
#7AA5D0
oklch(70.7% 0.079 249)
-
Step 500
500 (this color)
#5289BE
oklch(61.5% 0.1 248.9)
-
Step 600
600
#3B77B0
oklch(55.6% 0.109 249.3)
-
Step 700
700
#2C6497
oklch(49.1% 0.101 248.8)
-
Step 800
800
#26527B
oklch(42.8% 0.084 249)
-
Step 900
900
#244463
oklch(37.7% 0.066 249.2)
-
Step 950
950
#16283A
oklch(27.1% 0.041 249.6)
#5289BE 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) | #738BC0 | 0.039 |
| Deuteranopia (no green cones) | #6580BD | 0.030 |
| Tritanopia (no blue cones) | #00959B | 0.085 |
| Achromatopsia (no color) | #858585 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5289BE
#5289BE
oklch(61.5% 0.1 248.9)
- #AB793C
#AB793C
oklch(61.5% 0.1 69.5)
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 #5289BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.019
- Faded Blue #658CBB ΔE 0.024
- Off Blue #5684AE ΔE 0.025
- Dusty Blue #5A86AD ΔE 0.026
- Steel Blue #4682B4 ΔE 0.027
- Water Blue #0E87CC ΔE 0.046
- Blue NCS #118AB2 ΔE 0.046
- Silver Lake Blue #778DA9 ΔE 0.055
Use #5289BE 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.