#188066
Closest named color: Bluegreen (#017A79). oklch(53.7% 0.099 170.9), rgb(24, 128, 102).
Aa
White text reads best on this color (4.86:1).
About this color
#188066 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.099 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.040 away. White text reads best on it, at 4.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #188066 |
| RGB | rgb(24, 128, 102) |
| HSL | hsl(165, 68%, 30%) |
| OKLCH | oklch(53.7% 0.099 170.9) |
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 #188066 | 4.86:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #188066 | 4.31:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #188066 text on white | 4.86:1 | AA | Lc 73.3 | Content text, not long reading |
| #188066 text on black | 4.31:1 | AA large text | Lc -28.4 | Dividers and decoration only |
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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADFD7
oklch(88.6% 0.025 170.9)
-
Step 300
300
#A5CABD
oklch(80.8% 0.043 171.8)
-
Step 400
400
#72AF9B
oklch(70.6% 0.07 171.6)
-
Step 500
500
#489B82
oklch(63% 0.09 171.1)
-
Step 600
600 (this color)
#188066
oklch(53.7% 0.099 170.9)
-
Step 700
700
#10715A
oklch(49.1% 0.091 171.4)
-
Step 800
800
#145C49
oklch(42.6% 0.076 170.8)
-
Step 900
900
#1A4C3D
oklch(37.8% 0.06 170.2)
-
Step 950
950
#112C24
oklch(26.9% 0.037 171.8)
#188066 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) | #7C7765 | 0.101 |
| Deuteranopia (no green cones) | #6F6D68 | 0.098 |
| Tritanopia (no blue cones) | #008179 | 0.028 |
| Achromatopsia (no color) | #717171 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #188066
#188066
oklch(53.7% 0.099 170.9)
- #995475
#995475
oklch(53.7% 0.1 350.9)
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 #188066, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.040
- Teal #008080 ΔE 0.040
- Sea Green #2E8B57 ΔE 0.048
- Dark Aquamarine #017371 ΔE 0.051
- Deep Aqua #08787F ΔE 0.053
- Jungle Green #048243 ΔE 0.053
- Viridian #1E9167 ΔE 0.054
- Deep Turquoise #017374 ΔE 0.054
Use #188066 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.