#1AA7B1
Closest named color: Turquoise Blue (#06B1C4). oklch(66.5% 0.109 202.7), rgb(26, 167, 177).
Aa
Black text reads best on this color (7.20:1).
About this color
#1AA7B1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.109 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.034 away. Black text reads best on it, at 7.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #1AA7B1 |
| RGB | rgb(26, 167, 177) |
| HSL | hsl(184, 74%, 40%) |
| OKLCH | oklch(66.5% 0.109 202.7) |
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 #1AA7B1 | 2.91:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #1AA7B1 | 7.20:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #1AA7B1 text on white | 2.91:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #1AA7B1 text on black | 7.20:1 | AAA | Lc -46.8 | 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
#C4DFE2
oklch(88.5% 0.029 204.8)
-
Step 300
300
#98CBD0
oklch(80.8% 0.053 203.7)
-
Step 400
400
#58B0B8
oklch(70.6% 0.085 203.3)
-
Step 500
500 (this color)
#1AA7B1
oklch(66.5% 0.109 202.7)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#012D30
oklch(27.1% 0.045 201.9)
#1AA7B1 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) | #999FB2 | 0.109 |
| Deuteranopia (no green cones) | #8591B2 | 0.101 |
| Tritanopia (no blue cones) | #00AEAA | 0.026 |
| Achromatopsia (no color) | #979797 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1AA7B1
#1AA7B1
oklch(66.5% 0.109 202.7)
- #CE7874
#CE7874
oklch(66.5% 0.108 23.2)
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 #1AA7B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.034
- Light Sea Green #20B2AA ΔE 0.038
- Cadet Blue #5F9EA0 ΔE 0.045
- Persian Green #2A9D8F ΔE 0.051
- Sea #3C9992 ΔE 0.051
- Blue Green #0F9B8E ΔE 0.056
- Dull Teal #5F9E8F ΔE 0.057
- Topaz #13BBAF ΔE 0.060
Use #1AA7B1 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.