#1EA5B2
Closest named color: Turquoise Blue (#06B1C4). oklch(66.1% 0.108 205.3), rgb(30, 165, 178).
Aa
Black text reads best on this color (7.08:1).
About this color
#1EA5B2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.108 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.037 away. Black text reads best on it, at 7.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #1EA5B2 |
| RGB | rgb(30, 165, 178) |
| HSL | hsl(185, 71%, 41%) |
| OKLCH | oklch(66.1% 0.108 205.3) |
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 #1EA5B2 | 2.96:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #1EA5B2 | 7.08:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #1EA5B2 text on white | 2.96:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #1EA5B2 text on black | 7.08:1 | AAA | Lc -46.0 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE2
oklch(88.5% 0.029 204.8)
-
Step 300
300
#99CBD1
oklch(80.9% 0.053 205.4)
-
Step 400
400
#5AB0BA
oklch(70.8% 0.084 205.4)
-
Step 500
500 (this color)
#1EA5B2
oklch(66.1% 0.108 205.3)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#022C31
oklch(26.9% 0.044 207)
#1EA5B2 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) | #969EB3 | 0.105 |
| Deuteranopia (no green cones) | #8390B2 | 0.096 |
| Tritanopia (no blue cones) | #00ACA9 | 0.028 |
| Achromatopsia (no color) | #969696 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1EA5B2
#1EA5B2
oklch(66.1% 0.108 205.3)
- #CC7771
#CC7771
oklch(66.1% 0.108 24.7)
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 #1EA5B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.037
- Cadet Blue #5F9EA0 ΔE 0.044
- Light Sea Green #20B2AA ΔE 0.044
- Sea #3C9992 ΔE 0.049
- Persian Green #2A9D8F ΔE 0.051
- Blue Green #0F9B8E ΔE 0.056
- Dull Teal #5F9E8F ΔE 0.057
- Teal Green #0A9396 ΔE 0.061
Use #1EA5B2 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.