#1CA4AB
Closest named color: Sea (#3C9992). oklch(65.6% 0.107 200.5), rgb(28, 164, 171).
Aa
Black text reads best on this color (6.94:1).
About this color
#1CA4AB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.107 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.041 away. Black text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #1CA4AB |
| RGB | rgb(28, 164, 171) |
| HSL | hsl(183, 72%, 39%) |
| OKLCH | oklch(65.6% 0.107 200.5) |
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 #1CA4AB | 3.02:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #1CA4AB | 6.94:1 | AA | Lc 47.6 | Large or bold text, headings |
| #1CA4AB text on white | 3.02:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #1CA4AB text on black | 6.94:1 | AA | Lc -45.3 | Large or bold text, headings |
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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C4DFE1
oklch(88.4% 0.029 202.1)
-
Step 300
300
#99CBCE
oklch(80.8% 0.052 200.8)
-
Step 400
400
#5AB0B5
oklch(70.6% 0.083 200.5)
-
Step 500
500 (this color)
#1CA4AB
oklch(65.6% 0.107 200.5)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#022D2F
oklch(27.1% 0.045 199.6)
#1CA4AB 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) | #979CAC | 0.108 |
| Deuteranopia (no green cones) | #848EAC | 0.101 |
| Tritanopia (no blue cones) | #00ABA6 | 0.024 |
| Achromatopsia (no color) | #949494 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1CA4AB
#1CA4AB
oklch(65.6% 0.107 200.5)
- #CA7575
#CA7575
oklch(65.6% 0.107 20.4)
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 #1CA4AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.041
- Persian Green #2A9D8F ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.042
- Light Sea Green #20B2AA ΔE 0.043
- Turquoise Blue #06B1C4 ΔE 0.045
- Blue Green #0F9B8E ΔE 0.046
- Dull Teal #5F9E8F ΔE 0.051
- Teal Green #0A9396 ΔE 0.054
Use #1CA4AB 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.