#187F6F
Closest named color: Teal (#008080). oklch(53.7% 0.092 179.2), rgb(24, 127, 111).
Aa
White text reads best on this color (4.87:1).
About this color
#187F6F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.092 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.026 away. White text reads best on it, at 4.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #187F6F |
| RGB | rgb(24, 127, 111) |
| HSL | hsl(171, 68%, 30%) |
| OKLCH | oklch(53.7% 0.092 179.2) |
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 #187F6F | 4.87:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #187F6F | 4.30:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #187F6F text on white | 4.87:1 | AA | Lc 73.4 | Content text, not long reading |
| #187F6F text on black | 4.30:1 | AA large text | Lc -28.3 | 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
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADED9
oklch(88.4% 0.022 179.1)
-
Step 300
300
#A5CAC1
oklch(81% 0.041 178.8)
-
Step 400
400
#72AFA1
oklch(70.8% 0.067 178.2)
-
Step 500
500
#489A8B
oklch(63.1% 0.084 179.8)
-
Step 600
600 (this color)
#187F6F
oklch(53.7% 0.092 179.2)
-
Step 700
700
#107062
oklch(49% 0.085 179.7)
-
Step 800
800
#145B50
oklch(42.6% 0.07 179.9)
-
Step 900
900
#1A4B42
oklch(37.7% 0.055 179)
-
Step 950
950
#112C27
oklch(27% 0.035 179.9)
#187F6F 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) | #79776E | 0.096 |
| Deuteranopia (no green cones) | #6C6D70 | 0.092 |
| Tritanopia (no blue cones) | #00817A | 0.016 |
| Achromatopsia (no color) | #717171 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187F6F
#187F6F
oklch(53.7% 0.092 179.2)
- #99566C
#99566C
oklch(53.7% 0.092 359.6)
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 #187F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.026
- Bluegreen #017A79 ΔE 0.026
- Deep Aqua #08787F ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.043
- Dark Cyan #008B8B ΔE 0.047
- Sea Green #2E8B57 ΔE 0.060
- Ocean #017B92 ΔE 0.061
Use #187F6F 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.