#618D89
Closest named color: Dusty Teal (#4C9085). oklch(61% 0.049 188.9), rgb(97, 141, 137).
Aa
Black text reads best on this color (5.67:1).
About this color
#618D89 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.049 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.025 away. Black text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #618D89 |
| RGB | rgb(97, 141, 137) |
| HSL | hsl(175, 18%, 47%) |
| OKLCH | oklch(61% 0.049 188.9) |
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 #618D89 | 3.69:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #618D89 | 5.67:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #618D89 text on white | 3.69:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #618D89 text on black | 5.67:1 | AA | Lc -37.2 | 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
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B0C6C3
oklch(80.9% 0.024 186.8)
-
Step 400
400
#86A9A5
oklch(70.8% 0.039 187.7)
-
Step 500
500 (this color)
#618D89
oklch(61% 0.049 188.9)
-
Step 600
600
#4E7E79
oklch(55.7% 0.053 187.4)
-
Step 700
700
#3E6A66
oklch(49.1% 0.049 188.3)
-
Step 800
800
#345653
oklch(42.6% 0.04 188.7)
-
Step 900
900
#2E4745
oklch(37.7% 0.031 189.6)
-
Step 950
950
#1B2A28
oklch(27.1% 0.021 185.7)
#618D89 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) | #888889 | 0.052 |
| Deuteranopia (no green cones) | #80828A | 0.049 |
| Tritanopia (no blue cones) | #528F8C | 0.016 |
| Achromatopsia (no color) | #858585 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618D89
#618D89
oklch(61% 0.049 188.9)
- #9E787D
#9E787D
oklch(61.1% 0.048 9.8)
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 #618D89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.025
- Steel Grey #6F828A ΔE 0.036
- Steel #738595 ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.041
- Slate Green #658D6D ΔE 0.041
- Sea #3C9992 ΔE 0.042
- Light Slate Gray #778899 ΔE 0.043
- Slate Gray #708090 ΔE 0.046
Use #618D89 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.