#1C8990
Closest named color: Dark Cyan (#008B8B). oklch(57.6% 0.092 201.7), rgb(28, 137, 144).
Aa
Black text reads best on this color (5.03:1).
About this color
#1C8990 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.092 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.013 away. Black text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #1C8990 |
| RGB | rgb(28, 137, 144) |
| HSL | hsl(184, 67%, 34%) |
| OKLCH | oklch(57.6% 0.092 201.7) |
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 #1C8990 | 4.17:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #1C8990 | 5.03:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #1C8990 text on white | 4.17:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #1C8990 text on black | 5.03:1 | AA | Lc -33.3 | 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 600.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A2C9CC
oklch(80.9% 0.042 202.2)
-
Step 400
400
#6DADB2
oklch(70.6% 0.066 202.1)
-
Step 500
500
#40999F
oklch(63.2% 0.084 201.4)
-
Step 600
600 (this color)
#1C8990
oklch(57.6% 0.092 201.7)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#075A5F
oklch(42.6% 0.07 201.6)
-
Step 900
900
#144A4E
oklch(37.6% 0.055 202.2)
-
Step 950
950
#0E2B2E
oklch(26.9% 0.035 204.5)
#1C8990 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) | #7E8391 | 0.093 |
| Deuteranopia (no green cones) | #6E7790 | 0.085 |
| Tritanopia (no blue cones) | #008F8B | 0.023 |
| Achromatopsia (no color) | #7C7C7C | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C8990
#1C8990
oklch(57.6% 0.092 201.7)
- #A96261
#A96261
oklch(57.6% 0.092 21.2)
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 #1C8990, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.013
- Teal Blue #01889F ΔE 0.025
- Teal Green #0A9396 ΔE 0.029
- Teal #008080 ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.045
- Ocean #017B92 ΔE 0.046
- Blue NCS #118AB2 ΔE 0.053
- Bluegreen #017A79 ΔE 0.053
Use #1C8990 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.