#108E9F
Closest named color: Teal Blue (#01889F). oklch(59.4% 0.1 209.9), rgb(16, 142, 159).
Aa
Black text reads best on this color (5.39:1).
About this color
#108E9F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.100 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.019 away. Black text reads best on it, at 5.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #108E9F |
| RGB | rgb(16, 142, 159) |
| HSL | hsl(187, 82%, 34%) |
| OKLCH | oklch(59.4% 0.1 209.9) |
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 #108E9F | 3.89:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #108E9F | 5.39:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #108E9F text on white | 3.89:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #108E9F text on black | 5.39:1 | AA | Lc -35.8 | 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
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C6DEE3
oklch(88.4% 0.026 211.6)
-
Step 300
300
#9DCAD2
oklch(81% 0.049 209.6)
-
Step 400
400
#62AEBB
oklch(70.7% 0.078 209.7)
-
Step 500
500 (this color)
#108E9F
oklch(59.4% 0.1 209.9)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#072C32
oklch(27.1% 0.042 210.6)
#108E9F 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) | #8088A0 | 0.095 |
| Deuteranopia (no green cones) | #6E7B9F | 0.086 |
| Tritanopia (no blue cones) | #009593 | 0.032 |
| Achromatopsia (no color) | #818181 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #108E9F
#108E9F
oklch(59.4% 0.1 209.9)
- #B2665A
#B2665A
oklch(59.3% 0.1 29.9)
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 #108E9F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.019
- Teal Green #0A9396 ΔE 0.024
- Dark Cyan #008B8B ΔE 0.031
- Blue NCS #118AB2 ΔE 0.035
- Sea #3C9992 ΔE 0.049
- Dusty Teal #4C9085 ΔE 0.051
- Blue Green #0F9B8E ΔE 0.054
- Teal #008080 ΔE 0.057
Use #108E9F 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.