#018DA2
Closest named color: Teal Blue (#01889F). oklch(59.1% 0.103 213), rgb(1, 141, 162).
Aa
Black text reads best on this color (5.33:1).
About this color
#018DA2 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.103 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.015 away. Black text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #018DA2 |
| RGB | rgb(1, 141, 162) |
| HSL | hsl(188, 99%, 32%) |
| OKLCH | oklch(59.1% 0.103 213) |
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 #018DA2 | 3.93:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #018DA2 | 5.33:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #018DA2 text on white | 3.93:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #018DA2 text on black | 5.33:1 | AA | Lc -35.5 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#9FC9D3
oklch(80.9% 0.046 213.9)
-
Step 400
400
#66ADBC
oklch(70.7% 0.075 212.7)
-
Step 500
500
#3398AC
oklch(63.1% 0.095 213.6)
-
Step 600
600 (this color)
#018DA2
oklch(59.1% 0.103 213)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#0A4A55
oklch(37.7% 0.062 212.7)
-
Step 950
950
#0A2B32
oklch(26.9% 0.039 214.5)
#018DA2 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) | #7D88A3 | 0.093 |
| Deuteranopia (no green cones) | #6B7BA2 | 0.084 |
| Tritanopia (no blue cones) | #009594 | 0.037 |
| Achromatopsia (no color) | #808080 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018DA2
#018DA2
oklch(59.1% 0.103 213)
- #B26555
#B26555
oklch(59% 0.103 32.7)
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 #018DA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.015
- Blue NCS #118AB2 ΔE 0.029
- Teal Green #0A9396 ΔE 0.030
- Dark Cyan #008B8B ΔE 0.035
- Ocean #017B92 ΔE 0.055
- Sea #3C9992 ΔE 0.056
- Cerulean #457B9D ΔE 0.056
- Steel Blue #4682B4 ΔE 0.057
Use #018DA2 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.