#598691
Closest named color: Grey Blue (#647D8E). oklch(59.2% 0.052 214.8), rgb(89, 134, 145).
Aa
Black text reads best on this color (5.24:1).
About this color
#598691 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.052 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.027 away. Black text reads best on it, at 5.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #598691 |
| RGB | rgb(89, 134, 145) |
| HSL | hsl(192, 24%, 46%) |
| OKLCH | oklch(59.2% 0.052 214.8) |
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 #598691 | 4.00:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #598691 | 5.24:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #598691 text on white | 4.00:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #598691 text on black | 5.24:1 | AA | Lc -34.4 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBDE
oklch(88.4% 0.013 215.8)
-
Step 300
300
#B0C5CA
oklch(80.9% 0.024 213.6)
-
Step 400
400
#87A7AF
oklch(70.7% 0.037 214.6)
-
Step 500
500
#68919B
oklch(63% 0.047 214.5)
-
Step 600
600 (this color)
#598691
oklch(59.2% 0.052 214.8)
-
Step 700
700
#3F6872
oklch(49.1% 0.049 215)
-
Step 800
800
#35555D
oklch(42.8% 0.04 215.3)
-
Step 900
900
#2E464C
oklch(37.7% 0.031 215.1)
-
Step 950
950
#1B292C
oklch(27% 0.02 212.4)
#598691 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) | #7E8392 | 0.048 |
| Deuteranopia (no green cones) | #757C91 | 0.043 |
| Tritanopia (no blue cones) | #438A89 | 0.029 |
| Achromatopsia (no color) | #7F7F7F | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #598691
#598691
oklch(59.2% 0.052 214.8)
- #9A7369
#9A7369
oklch(59.2% 0.052 34.8)
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 #598691, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.027
- Steel Grey #6F828A ΔE 0.027
- Slate Gray #708090 ΔE 0.031
- Battleship Grey #6B7C85 ΔE 0.033
- Steel #738595 ΔE 0.033
- Light Slate Gray #778899 ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.042
- Stormy Blue #507B9C ΔE 0.043
Use #598691 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.