#59899D
Closest named color: Dusty Blue (#5A86AD). oklch(60.3% 0.06 226.2), rgb(89, 137, 157).
Aa
Black text reads best on this color (5.48:1).
About this color
#59899D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.060 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.029 away. Black text reads best on it, at 5.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.48:1 |
| White text | 3.82:1 |
Values
| HEX | #59899D |
| RGB | rgb(89, 137, 157) |
| HSL | hsl(198, 28%, 48%) |
| OKLCH | oklch(60.3% 0.06 226.2) |
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 #59899D | 3.82:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #59899D | 5.48:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #59899D text on white | 3.82:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #59899D text on black | 5.48:1 | AA | Lc -36.0 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#AEC5CF
oklch(80.9% 0.029 225.8)
-
Step 400
400
#82A7B7
oklch(70.7% 0.047 226.2)
-
Step 500
500 (this color)
#59899D
oklch(60.3% 0.06 226.2)
-
Step 600
600
#477B91
oklch(55.5% 0.065 227.2)
-
Step 700
700
#38687B
oklch(49.1% 0.06 225.8)
-
Step 800
800
#2F5564
oklch(42.8% 0.05 225.5)
-
Step 900
900
#2A4652
oklch(37.7% 0.04 227)
-
Step 950
950
#192930
oklch(27% 0.025 227.2)
#59899D 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) | #7E879E | 0.046 |
| Deuteranopia (no green cones) | #747F9D | 0.041 |
| Tritanopia (no blue cones) | #3D8F8F | 0.042 |
| Achromatopsia (no color) | #828282 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59899D
#59899D
oklch(60.3% 0.06 226.2)
- #A07663
#A07663
oklch(60.3% 0.06 45.4)
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 #59899D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.029
- Steel #738595 ΔE 0.032
- Off Blue #5684AE ΔE 0.034
- Slate Gray #708090 ΔE 0.035
- Grey Blue #647D8E ΔE 0.036
- Light Slate Gray #778899 ΔE 0.036
- Steel Grey #6F828A ΔE 0.036
- Blue Grey #758DA3 ΔE 0.038
Use #59899D 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.