#187973
Closest named color: Bluegreen (#017A79). oklch(52.2% 0.085 188.5), rgb(24, 121, 115).
Aa
White text reads best on this color (5.22:1).
About this color
#187973 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.085 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.010 away. White text reads best on it, at 5.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #187973 |
| RGB | rgb(24, 121, 115) |
| HSL | hsl(176, 67%, 28%) |
| OKLCH | oklch(52.2% 0.085 188.5) |
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 #187973 | 5.22:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #187973 | 4.02:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #187973 text on white | 5.22:1 | AA | Lc 75.5 | Fine for body text |
| #187973 text on black | 4.02:1 | AA large text | Lc -26.2 | 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 700.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A3CAC6
oklch(81% 0.042 188.7)
-
Step 400
400
#6FAEA8
oklch(70.6% 0.066 188.2)
-
Step 500
500
#439A93
oklch(63.1% 0.084 188.1)
-
Step 600
600
#19847E
oklch(55.6% 0.091 189)
-
Step 700
700 (this color)
#187973
oklch(52.2% 0.085 188.5)
-
Step 800
800
#0D5B56
oklch(42.7% 0.07 188.1)
-
Step 900
900
#174B47
oklch(37.7% 0.055 188)
-
Step 950
950
#0F2C2A
oklch(27% 0.035 189.2)
#187973 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) | #727273 | 0.090 |
| Deuteranopia (no green cones) | #656874 | 0.085 |
| Tritanopia (no blue cones) | #007C77 | 0.010 |
| Achromatopsia (no color) | #6C6C6C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187973
#187973
oklch(52.2% 0.085 188.5)
- #935460
#935460
oklch(52.2% 0.085 8.2)
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 #187973, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.010
- Deep Aqua #08787F ΔE 0.021
- Dark Aquamarine #017371 ΔE 0.021
- Deep Turquoise #017374 ΔE 0.022
- Teal #008080 ΔE 0.024
- Ocean #017B92 ΔE 0.048
- Dark Aqua #05696B ΔE 0.051
- Dark Cyan #008B8B ΔE 0.057
Use #187973 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.