#018B97
Closest named color: Teal Blue (#01889F). oklch(58.1% 0.099 205.5), rgb(1, 139, 151).
Aa
Black text reads best on this color (5.14:1).
About this color
#018B97 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.099 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.018 away. Black text reads best on it, at 5.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #018B97 |
| RGB | rgb(1, 139, 151) |
| HSL | hsl(185, 99%, 30%) |
| OKLCH | oklch(58.1% 0.099 205.5) |
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 #018B97 | 4.08:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #018B97 | 5.14:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #018B97 text on white | 4.08:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #018B97 text on black | 5.14:1 | AA | Lc -34.2 | 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 600.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300
#A0C9CF
oklch(80.8% 0.044 207.3)
-
Step 400
400
#68AEB6
oklch(70.8% 0.071 205.1)
-
Step 500
500
#3699A4
oklch(63.1% 0.091 205.6)
-
Step 600
600 (this color)
#018B97
oklch(58.1% 0.099 205.5)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#0C4A51
oklch(37.6% 0.06 206.6)
-
Step 950
950
#0B2C2F
oklch(27.1% 0.038 203.6)
#018B97 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) | #7E8598 | 0.097 |
| Deuteranopia (no green cones) | #6D7897 | 0.090 |
| Tritanopia (no blue cones) | #00928E | 0.029 |
| Achromatopsia (no color) | #7E7E7E | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018B97
#018B97
oklch(58.1% 0.099 205.5)
- #AE625C
#AE625C
oklch(58.1% 0.099 25.3)
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 #018B97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.018
- Dark Cyan #008B8B ΔE 0.019
- Teal Green #0A9396 ΔE 0.025
- Teal #008080 ΔE 0.043
- Blue NCS #118AB2 ΔE 0.044
- Ocean #017B92 ΔE 0.048
- Dusty Teal #4C9085 ΔE 0.050
- Sea #3C9992 ΔE 0.054
Use #018B97 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.