#1BA5C6
Closest named color: Turquoise Blue (#06B1C4). oklch(66.9% 0.117 219.7), rgb(27, 165, 198).
Aa
Black text reads best on this color (7.24:1).
About this color
#1BA5C6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.117 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.036 away. Black text reads best on it, at 7.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #1BA5C6 |
| RGB | rgb(27, 165, 198) |
| HSL | hsl(192, 76%, 44%) |
| OKLCH | oklch(66.9% 0.117 219.7) |
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 #1BA5C6 | 2.89:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #1BA5C6 | 7.24:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #1BA5C6 text on white | 2.89:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #1BA5C6 text on black | 7.24:1 | AAA | Lc -47.0 | 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 400.
-
Step 50
50
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DBEEF4
oklch(93.7% 0.022 218.6)
-
Step 200
200
#BDE0EC
oklch(88.5% 0.04 220.6)
-
Step 300
300
#8ACCE1
oklch(80.8% 0.073 219.9)
-
Step 400
400 (this color)
#1BA5C6
oklch(66.9% 0.117 219.7)
-
Step 500
500
#0099B9
oklch(63.1% 0.115 219.7)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#1BA5C6 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) | #91A0C8 | 0.098 |
| Deuteranopia (no green cones) | #7B91C6 | 0.086 |
| Tritanopia (no blue cones) | #00B0B0 | 0.053 |
| Achromatopsia (no color) | #989898 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BA5C6
#1BA5C6
oklch(66.9% 0.117 219.7)
- #D17B5D
#D17B5D
oklch(67% 0.116 39.9)
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 #1BA5C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.062
- Light Sea Green #20B2AA ΔE 0.065
- Greyblue #77A1B5 ΔE 0.066
- Sea #3C9992 ΔE 0.075
- Faded Blue #658CBB ΔE 0.077
- Blue NCS #118AB2 ΔE 0.079
- Persian Green #2A9D8F ΔE 0.080
Use #1BA5C6 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.