#187E87
Closest named color: Teal (#008080). oklch(54.3% 0.087 204.2), rgb(24, 126, 135).
Aa
White text reads best on this color (4.80:1).
About this color
#187E87 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.087 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.016 away. White text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #187E87 |
| RGB | rgb(24, 126, 135) |
| HSL | hsl(185, 70%, 31%) |
| OKLCH | oklch(54.3% 0.087 204.2) |
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 #187E87 | 4.80:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #187E87 | 4.37:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #187E87 text on white | 4.80:1 | AA | Lc 72.9 | Content text, not long reading |
| #187E87 text on black | 4.37:1 | AA large text | Lc -28.8 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A4C8CC
oklch(80.8% 0.039 204.7)
-
Step 400
400
#70ACB3
oklch(70.6% 0.063 205.2)
-
Step 500
500
#4698A0
oklch(63.2% 0.08 203.9)
-
Step 600
600 (this color)
#187E87
oklch(54.3% 0.087 204.2)
-
Step 700
700
#0C6E76
oklch(49.2% 0.081 204)
-
Step 800
800
#125960
oklch(42.6% 0.067 205)
-
Step 900
900
#194A4E
oklch(37.8% 0.052 202.7)
-
Step 950
950
#102B2E
oklch(27% 0.033 205.1)
#187E87 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) | #737888 | 0.086 |
| Deuteranopia (no green cones) | #646D87 | 0.080 |
| Tritanopia (no blue cones) | #008481 | 0.024 |
| Achromatopsia (no color) | #727272 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187E87
#187E87
oklch(54.3% 0.087 204.2)
- #9C5B56
#9C5B56
oklch(54.4% 0.086 25)
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 #187E87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.016
- Deep Aqua #08787F ΔE 0.021
- Ocean #017B92 ΔE 0.023
- Bluegreen #017A79 ΔE 0.025
- Dark Cyan #008B8B ΔE 0.038
- Teal Blue #01889F ΔE 0.041
- Deep Turquoise #017374 ΔE 0.042
- Sea Blue #047495 ΔE 0.044
Use #187E87 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.