#5C859E
Closest named color: Dusty Blue (#5A86AD). oklch(59.6% 0.059 235.9), rgb(92, 133, 158).
Aa
Black text reads best on this color (5.30:1).
About this color
#5C859E is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.059 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.023 away. Black text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #5C859E |
| RGB | rgb(92, 133, 158) |
| HSL | hsl(203, 26%, 49%) |
| OKLCH | oklch(59.6% 0.059 235.9) |
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 #5C859E | 3.95:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #5C859E | 5.30:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #5C859E text on white | 3.95:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #5C859E text on black | 5.30:1 | AA | Lc -34.8 | 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 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
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B0C4D1
oklch(80.9% 0.029 236.3)
-
Step 400
400
#85A6BA
oklch(70.7% 0.047 234.9)
-
Step 500
500 (this color)
#5C859E
oklch(59.6% 0.059 235.9)
-
Step 600
600
#4D7994
oklch(55.5% 0.064 236.5)
-
Step 700
700
#3D667E
oklch(49% 0.06 235.5)
-
Step 800
800
#335367
oklch(42.6% 0.05 237.1)
-
Step 900
900
#2D4554
oklch(37.7% 0.039 236.7)
-
Step 950
950
#1B2831
oklch(26.9% 0.025 239.1)
#5C859E 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) | #7A849F | 0.038 |
| Deuteranopia (no green cones) | #707D9E | 0.032 |
| Tritanopia (no blue cones) | #428C8D | 0.047 |
| Achromatopsia (no color) | #808080 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5C859E
#5C859E
oklch(59.6% 0.059 235.9)
- #9B765D
#9B765D
oklch(59.6% 0.059 55.3)
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 #5C859E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.023
- Off Blue #5684AE ΔE 0.026
- Grey Blue #647D8E ΔE 0.028
- Slate Gray #708090 ΔE 0.030
- Steel #738595 ΔE 0.030
- Stormy Blue #507B9C ΔE 0.034
- Steel Grey #6F828A ΔE 0.035
- Light Slate Gray #778899 ΔE 0.037
Use #5C859E 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.