#45A5CB
Closest named color: Turquoise Blue (#06B1C4). oklch(68.1% 0.105 227.6), rgb(69, 165, 203).
Aa
Black text reads best on this color (7.49:1).
About this color
#45A5CB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.105 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.043 away. Black text reads best on it, at 7.49:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #45A5CB |
| RGB | rgb(69, 165, 203) |
| HSL | hsl(197, 56%, 53%) |
| OKLCH | oklch(68.1% 0.105 227.6) |
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 #45A5CB | 2.80:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #45A5CB | 7.49:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #45A5CB text on white | 2.80:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #45A5CB text on black | 7.49:1 | AAA | Lc -48.2 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DDEDF4
oklch(93.6% 0.019 225.7)
-
Step 200
200
#C1DFEC
oklch(88.6% 0.036 225.8)
-
Step 300
300
#94CAE2
oklch(81% 0.065 227.2)
-
Step 400
400 (this color)
#45A5CB
oklch(68.1% 0.105 227.6)
-
Step 500
500
#0097C3
oklch(63.1% 0.123 227.5)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8B
oklch(49.2% 0.095 227.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#45A5CB 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) | #91A2CD | 0.077 |
| Deuteranopia (no green cones) | #7E94CB | 0.068 |
| Tritanopia (no blue cones) | #00B0B1 | 0.063 |
| Achromatopsia (no color) | #9A9A9A | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45A5CB
#45A5CB
oklch(68.1% 0.105 227.6)
- #CD845E
#CD845E
oklch(68.1% 0.104 47.9)
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 #45A5CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.067
- Faded Blue #658CBB ΔE 0.069
- Bluey Grey #89A0B0 ΔE 0.072
- Light Sea Green #20B2AA ΔE 0.074
- Chefchaouen Blue #4895EF ΔE 0.078
Use #45A5CB 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.