#018EA2
Closest named color: Teal Blue (#01889F). oklch(59.4% 0.103 212), rgb(1, 142, 162).
Aa
Black text reads best on this color (5.39:1).
About this color
#018EA2 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.103 and its hue 212°. 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 5.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #018EA2 |
| RGB | rgb(1, 142, 162) |
| HSL | hsl(187, 99%, 32%) |
| OKLCH | oklch(59.4% 0.103 212) |
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 #018EA2 | 3.89:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #018EA2 | 5.39:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #018EA2 text on white | 3.89:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #018EA2 text on black | 5.39:1 | AA | Lc -35.9 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C5DEE4
oklch(88.4% 0.028 213.8)
-
Step 300
300
#9BCAD4
oklch(80.9% 0.051 212.1)
-
Step 400
400
#5FAEBE
oklch(70.6% 0.081 212.3)
-
Step 500
500 (this color)
#018EA2
oklch(59.4% 0.103 212)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#062C33
oklch(27.1% 0.043 212.8)
#018EA2 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) | #7F89A3 | 0.095 |
| Deuteranopia (no green cones) | #6C7BA2 | 0.086 |
| Tritanopia (no blue cones) | #009694 | 0.037 |
| Achromatopsia (no color) | #818181 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018EA2
#018EA2
oklch(59.4% 0.103 212)
- #B36657
#B36657
oklch(59.4% 0.102 32)
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 #018EA2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.018
- Teal Green #0A9396 ΔE 0.028
- Blue NCS #118AB2 ΔE 0.031
- Dark Cyan #008B8B ΔE 0.035
- Sea #3C9992 ΔE 0.053
- Dusty Teal #4C9085 ΔE 0.056
- Ocean #017B92 ΔE 0.057
- Blue Green #0F9B8E ΔE 0.057
Use #018EA2 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.