#45E1F1
Closest named color: Aqua Blue (#02D8E9). oklch(83.7% 0.127 205.2), rgb(69, 225, 241).
Aa
Black text reads best on this color (13.29:1).
About this color
#45E1F1 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.127 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.033 away. Black text reads best on it, at 13.29:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 13.29:1 |
| White text | 1.57:1 |
Values
| HEX | #45E1F1 |
| RGB | rgb(69, 225, 241) |
| HSL | hsl(186, 86%, 61%) |
| OKLCH | oklch(83.7% 0.127 205.2) |
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 #45E1F1 | 1.57:1 | Fails | Lc -29.3 | Dividers and decoration only |
| Black text on #45E1F1 | 13.29:1 | AAA | Lc 77.8 | Fine for body text |
| #45E1F1 text on white | 1.57:1 | Fails | Lc 25.9 | Dividers and decoration only |
| #45E1F1 text on black | 13.29:1 | AAA | Lc -77.1 | Fine for body text |
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 300.
-
Step 50
50
#E9F9FB
oklch(97.1% 0.017 205.8)
-
Step 100
100
#CEF2F6
oklch(93.7% 0.038 204.7)
-
Step 200
200
#A1E7EF
oklch(88.4% 0.07 204.9)
-
Step 300
300 (this color)
#45E1F1
oklch(83.7% 0.127 205.2)
-
Step 400
400
#00B6C4
oklch(70.8% 0.121 204.6)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
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
#002D31
oklch(27.1% 0.046 204.1)
#45E1F1 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) | #CFD8F2 | 0.126 |
| Deuteranopia (no green cones) | #B6C6F2 | 0.115 |
| Tritanopia (no blue cones) | #00EAE6 | 0.036 |
| Achromatopsia (no color) | #CECECE | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45E1F1
#45E1F1
oklch(83.7% 0.127 205.2)
- #FFB3AC
#FFB3AC
oklch(83.7% 0.09 25)
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 #45E1F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.033
- Robin's Egg #6DEDFD ΔE 0.045
- Turquoise #40E0D0 ΔE 0.047
- Bright Light Blue #26F7FD ΔE 0.057
- Medium Turquoise #48D1CC ΔE 0.059
- Sky Blue #87CEEB ΔE 0.062
- Vivid Sky Blue #4CC9F0 ΔE 0.066
- Dark Turquoise #00CED1 ΔE 0.068
Use #45E1F1 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.