#5589B8
Closest named color: Dusty Blue (#5A86AD). oklch(61.3% 0.091 247.1), rgb(85, 137, 184).
Aa
Black text reads best on this color (5.65:1).
About this color
#5589B8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 61%, its chroma 0.091 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.017 away. Black text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #5589B8 |
| RGB | rgb(85, 137, 184) |
| HSL | hsl(208, 41%, 53%) |
| OKLCH | oklch(61.3% 0.091 247.1) |
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 #5589B8 | 3.71:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #5589B8 | 5.65:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #5589B8 text on white | 3.71:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #5589B8 text on black | 5.65:1 | AA | Lc -37.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300
#AAC4DC
oklch(80.9% 0.044 246.2)
-
Step 400
400
#7DA5CB
oklch(70.7% 0.071 247.6)
-
Step 500
500 (this color)
#5589B8
oklch(61.3% 0.091 247.1)
-
Step 600
600
#3F78AA
oklch(55.6% 0.099 247.1)
-
Step 700
700
#306592
oklch(49.2% 0.092 246.7)
-
Step 800
800
#295276
oklch(42.6% 0.076 247.2)
-
Step 900
900
#26445F
oklch(37.6% 0.059 247.2)
-
Step 950
950
#172838
oklch(27% 0.038 247.9)
#5589B8 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) | #758ABA | 0.038 |
| Deuteranopia (no green cones) | #6880B7 | 0.031 |
| Tritanopia (no blue cones) | #189499 | 0.077 |
| Achromatopsia (no color) | #858585 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5589B8
#5589B8
oklch(61.3% 0.091 247.1)
- #A97945
#A97945
oklch(61.3% 0.091 66.9)
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 #5589B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.017
- Off Blue #5684AE ΔE 0.018
- Cool Blue #4984B8 ΔE 0.020
- Faded Blue #658CBB ΔE 0.021
- Steel Blue #4682B4 ΔE 0.027
- Blue NCS #118AB2 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.048
- Blue Grey #758DA3 ΔE 0.052
Use #5589B8 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.