#59859C
Closest named color: Dusty Blue (#5A86AD). oklch(59.4% 0.06 231.9), rgb(89, 133, 156).
Aa
Black text reads best on this color (5.25:1).
About this color
#59859C is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.060 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.026 away. Black text reads best on it, at 5.25:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #59859C |
| RGB | rgb(89, 133, 156) |
| HSL | hsl(201, 27%, 48%) |
| OKLCH | oklch(59.4% 0.06 231.9) |
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 #59859C | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #59859C | 5.25:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #59859C text on white | 3.99:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #59859C text on black | 5.25:1 | AA | Lc -34.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AFC4D0
oklch(80.8% 0.029 232.8)
-
Step 400
400
#84A6B9
oklch(70.6% 0.047 232.8)
-
Step 500
500 (this color)
#59859C
oklch(59.4% 0.06 231.9)
-
Step 600
600
#4A7A93
oklch(55.5% 0.065 232.3)
-
Step 700
700
#3B677D
oklch(49.1% 0.06 231.5)
-
Step 800
800
#315466
oklch(42.7% 0.05 232)
-
Step 900
900
#2C4553
oklch(37.6% 0.039 233.8)
-
Step 950
950
#1A2930
oklch(27.1% 0.024 228.7)
#59859C 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) | #7A839D | 0.042 |
| Deuteranopia (no green cones) | #707C9C | 0.036 |
| Tritanopia (no blue cones) | #3E8B8C | 0.044 |
| Achromatopsia (no color) | #7F7F7F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59859C
#59859C
oklch(59.4% 0.06 231.9)
- #9C755D
#9C755D
oklch(59.5% 0.06 52.8)
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 #59859C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.026
- Grey Blue #647D8E ΔE 0.027
- Off Blue #5684AE ΔE 0.029
- Slate Gray #708090 ΔE 0.031
- Steel #738595 ΔE 0.033
- Stormy Blue #507B9C ΔE 0.033
- Steel Grey #6F828A ΔE 0.035
- Cerulean #457B9D ΔE 0.039
Use #59859C 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.