#59839D
Closest named color: Dusty Blue (#5A86AD). oklch(58.9% 0.061 236.4), rgb(89, 131, 157).
Aa
Black text reads best on this color (5.15:1).
About this color
#59839D is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.061 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.024 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.15:1 |
| White text | 4.07:1 |
Values
| HEX | #59839D |
| RGB | rgb(89, 131, 157) |
| HSL | hsl(203, 28%, 48%) |
| OKLCH | oklch(58.9% 0.061 236.4) |
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 #59839D | 4.07:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #59839D | 5.15:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #59839D text on white | 4.07:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #59839D text on black | 5.15:1 | AA | Lc -33.8 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B1C4D0
oklch(81% 0.027 235.4)
-
Step 400
400
#87A5B9
oklch(70.6% 0.044 237.4)
-
Step 500
500
#688FA7
oklch(63% 0.056 235.9)
-
Step 600
600 (this color)
#59839D
oklch(58.9% 0.061 236.4)
-
Step 700
700
#40667D
oklch(49.1% 0.057 236.2)
-
Step 800
800
#355366
oklch(42.7% 0.048 237.2)
-
Step 900
900
#2E4553
oklch(37.7% 0.037 235.8)
-
Step 950
950
#1B2830
oklch(26.9% 0.023 235.8)
#59839D 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) | #77829E | 0.038 |
| Deuteranopia (no green cones) | #6E7B9D | 0.033 |
| Tritanopia (no blue cones) | #3E8A8B | 0.048 |
| Achromatopsia (no color) | #7E7E7E | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59839D
#59839D
oklch(58.9% 0.061 236.4)
- #9A7459
#9A7459
oklch(59% 0.062 56.6)
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 #59839D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.024
- Grey Blue #647D8E ΔE 0.026
- Off Blue #5684AE ΔE 0.026
- Stormy Blue #507B9C ΔE 0.027
- Slate Gray #708090 ΔE 0.032
- Cerulean #457B9D ΔE 0.034
- Steel #738595 ΔE 0.035
- Steel Grey #6F828A ΔE 0.037
Use #59839D 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.