#45BAD4
Closest named color: Turquoise Blue (#06B1C4). oklch(73.4% 0.109 215.4), rgb(69, 186, 212).
Aa
Black text reads best on this color (9.22:1).
About this color
#45BAD4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.109 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.042 away. Black text reads best on it, at 9.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 9.22:1 |
| White text | 2.27:1 |
Values
| HEX | #45BAD4 |
| RGB | rgb(69, 186, 212) |
| HSL | hsl(191, 62%, 55%) |
| OKLCH | oklch(73.4% 0.109 215.4) |
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 #45BAD4 | 2.27:1 | Fails | Lc -49.4 | Large or bold text, headings |
| Black text on #45BAD4 | 9.22:1 | AAA | Lc 59.4 | Large or bold text, headings |
| #45BAD4 text on white | 2.27:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #45BAD4 text on black | 9.22:1 | AAA | Lc -57.6 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DCEEF2
oklch(93.7% 0.02 212.5)
-
Step 200
200
#BEE0E9
oklch(88.5% 0.038 215.5)
-
Step 300
300
#8DCCDC
oklch(80.8% 0.068 215.4)
-
Step 400
400 (this color)
#45BAD4
oklch(73.4% 0.109 215.4)
-
Step 500
500
#009AB4
oklch(63.2% 0.112 215.3)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D80
oklch(49.2% 0.087 215.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#45BAD4 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) | #A8B4D5 | 0.097 |
| Deuteranopia (no green cones) | #94A5D4 | 0.088 |
| Tritanopia (no blue cones) | #00C4C2 | 0.049 |
| Achromatopsia (no color) | #ACACAC | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45BAD4
#45BAD4
oklch(73.4% 0.109 215.4)
- #E58F79
#E58F79
oklch(73.4% 0.11 35.1)
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 #45BAD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.042
- Vivid Sky Blue #4CC9F0 ΔE 0.052
- Dark Turquoise #00CED1 ΔE 0.059
- Deep Sky Blue #00BFFF ΔE 0.061
- Topaz #13BBAF ΔE 0.062
- Bright Sky Blue #02CCFE ΔE 0.066
- Light Sea Green #20B2AA ΔE 0.067
- Medium Turquoise #48D1CC ΔE 0.071
Use #45BAD4 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.