#27988E
Closest named color: Blue Green (#0F9B8E). oklch(61.7% 0.098 186.1), rgb(39, 152, 142).
Aa
Black text reads best on this color (5.96:1).
About this color
#27988E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.098 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.011 away. Black text reads best on it, at 5.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 5.96:1 |
| White text | 3.51:1 |
Values
| HEX | #27988E |
| RGB | rgb(39, 152, 142) |
| HSL | hsl(175, 59%, 37%) |
| OKLCH | oklch(61.7% 0.098 186.1) |
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 #27988E | 3.51:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #27988E | 5.96:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #27988E text on white | 3.51:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #27988E text on black | 5.96:1 | AA | Lc -39.3 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C7DFDC
oklch(88.5% 0.026 187.6)
-
Step 300
300
#9ECBC5
oklch(80.8% 0.048 186.2)
-
Step 400
400
#65B0A8
oklch(70.6% 0.076 186.8)
-
Step 500
500 (this color)
#27988E
oklch(61.7% 0.098 186.1)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#054C47
oklch(37.6% 0.064 187.1)
-
Step 950
950
#092D29
oklch(27.1% 0.041 184.6)
#27988E 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) | #908F8E | 0.105 |
| Deuteranopia (no green cones) | #80848F | 0.098 |
| Tritanopia (no blue cones) | #009C95 | 0.014 |
| Achromatopsia (no color) | #898989 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27988E
#27988E
oklch(61.7% 0.098 186.1)
- #B76B7C
#B76B7C
oklch(61.7% 0.099 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 #27988E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.011
- Sea #3C9992 ΔE 0.015
- Persian Green #2A9D8F ΔE 0.015
- Teal Green #0A9396 ΔE 0.024
- Dusty Teal #4C9085 ΔE 0.029
- Ocean Green #3D9973 ΔE 0.041
- Dark Cyan #008B8B ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.043
Use #27988E 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.