#598F8F
Closest named color: Dusty Teal (#4C9085). oklch(61.3% 0.057 195.8), rgb(89, 143, 143).
Aa
Black text reads best on this color (5.75:1).
About this color
#598F8F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.057 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.022 away. Black text reads best on it, at 5.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.75:1 |
| White text | 3.65:1 |
Values
| HEX | #598F8F |
| RGB | rgb(89, 143, 143) |
| HSL | hsl(180, 23%, 45%) |
| OKLCH | oklch(61.3% 0.057 195.8) |
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 #598F8F | 3.65:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #598F8F | 5.75:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #598F8F text on white | 3.65:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #598F8F text on black | 5.75:1 | AA | Lc -37.6 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDCDC
oklch(88.4% 0.015 196.9)
-
Step 300
300
#ADC7C6
oklch(81% 0.028 193.8)
-
Step 400
400
#80AAAA
oklch(70.8% 0.045 196.2)
-
Step 500
500 (this color)
#598F8F
oklch(61.3% 0.057 195.8)
-
Step 600
600
#437F7F
oklch(55.6% 0.063 195.5)
-
Step 700
700
#346B6B
oklch(49.1% 0.058 195.4)
-
Step 800
800
#2C5757
oklch(42.6% 0.048 195.5)
-
Step 900
900
#284848
oklch(37.7% 0.038 195.7)
-
Step 950
950
#182A2A
oklch(26.9% 0.024 195.8)
#598F8F 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) | #888A8F | 0.059 |
| Deuteranopia (no green cones) | #7F838F | 0.056 |
| Tritanopia (no blue cones) | #42928F | 0.022 |
| Achromatopsia (no color) | #868686 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598F8F
#598F8F
oklch(61.3% 0.057 195.8)
- #A47678
#A47678
oklch(61.3% 0.058 16)
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 #598F8F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.022
- Sea #3C9992 ΔE 0.034
- Grey Teal #5E9B8A ΔE 0.040
- Steel Grey #6F828A ΔE 0.042
- Steel #738595 ΔE 0.044
- Teal Green #0A9396 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.046
- Light Slate Gray #778899 ΔE 0.046
Use #598F8F 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.