#02A5CA
Closest named color: Turquoise Blue (#06B1C4). oklch(66.9% 0.123 221.4), rgb(2, 165, 202).
Aa
Black text reads best on this color (7.23:1).
About this color
#02A5CA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.123 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.039 away. Black text reads best on it, at 7.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #02A5CA |
| RGB | rgb(2, 165, 202) |
| HSL | hsl(191, 98%, 40%) |
| OKLCH | oklch(66.9% 0.123 221.4) |
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 #02A5CA | 2.90:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #02A5CA | 7.23:1 | AAA | Lc 49.3 | Large or bold text, headings |
| #02A5CA text on white | 2.90:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #02A5CA text on black | 7.23:1 | AAA | Lc -47.1 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DEEDF2
oklch(93.6% 0.017 219.7)
-
Step 200
200
#C2DFE9
oklch(88.6% 0.034 220.6)
-
Step 300
300
#96CADC
oklch(80.9% 0.06 221.3)
-
Step 400
400
#53AECB
oklch(70.7% 0.096 221.6)
-
Step 500
500 (this color)
#02A5CA
oklch(66.9% 0.123 221.4)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#02A5CA 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) | #8FA1CC | 0.099 |
| Deuteranopia (no green cones) | #7891CA | 0.086 |
| Tritanopia (no blue cones) | #00B1B1 | 0.059 |
| Achromatopsia (no color) | #989898 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02A5CA
#02A5CA
oklch(66.9% 0.123 221.4)
- #D37957
#D37957
oklch(66.8% 0.122 41.2)
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 #02A5CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.069
- Light Sea Green #20B2AA ΔE 0.070
- Greyblue #77A1B5 ΔE 0.071
- Blue NCS #118AB2 ΔE 0.078
- Faded Blue #658CBB ΔE 0.079
- Sea #3C9992 ΔE 0.081
- Chefchaouen Blue #4895EF ΔE 0.084
Use #02A5CA 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.