#59879E
Closest named color: Dusty Blue (#5A86AD). oklch(59.9% 0.061 230.8), rgb(89, 135, 158).
Aa
Black text reads best on this color (5.38:1).
About this color
#59879E is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.061 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.025 away. Black text reads best on it, at 5.38:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.38:1 |
| White text | 3.90:1 |
Values
| HEX | #59879E |
| RGB | rgb(89, 135, 158) |
| HSL | hsl(200, 28%, 48%) |
| OKLCH | oklch(59.9% 0.061 230.8) |
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 #59879E | 3.90:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #59879E | 5.38:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #59879E text on white | 3.90:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #59879E text on black | 5.38:1 | AA | Lc -35.3 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AEC5D1
oklch(81% 0.03 230.4)
-
Step 400
400
#83A7B9
oklch(70.8% 0.047 229.9)
-
Step 500
500 (this color)
#59879E
oklch(59.9% 0.061 230.8)
-
Step 600
600
#487B93
oklch(55.7% 0.066 229.9)
-
Step 700
700
#39677D
oklch(49% 0.062 230.5)
-
Step 800
800
#305466
oklch(42.7% 0.051 231.4)
-
Step 900
900
#2B4653
oklch(37.8% 0.04 229.9)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#59879E 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) | #7C859F | 0.044 |
| Deuteranopia (no green cones) | #727E9E | 0.038 |
| Tritanopia (no blue cones) | #3C8D8E | 0.045 |
| Achromatopsia (no color) | #818181 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59879E
#59879E
oklch(59.9% 0.061 230.8)
- #9E765F
#9E765F
oklch(60% 0.061 51.1)
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 #59879E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.025
- Off Blue #5684AE ΔE 0.029
- Steel #738595 ΔE 0.032
- Grey Blue #647D8E ΔE 0.032
- Slate Gray #708090 ΔE 0.034
- Steel Grey #6F828A ΔE 0.036
- Light Slate Gray #778899 ΔE 0.037
- Stormy Blue #507B9C ΔE 0.038
Use #59879E 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.