#73AFD4
Closest named color: Greyblue (#77A1B5). oklch(72.7% 0.082 236.6), rgb(115, 175, 212).
Aa
Black text reads best on this color (8.81:1).
About this color
#73AFD4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.082 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.051 away. Black text reads best on it, at 8.81:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.81:1 |
| White text | 2.38:1 |
Values
| HEX | #73AFD4 |
| RGB | rgb(115, 175, 212) |
| HSL | hsl(203, 53%, 64%) |
| OKLCH | oklch(72.7% 0.082 236.6) |
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 #73AFD4 | 2.38:1 | Fails | Lc -51.8 | Large or bold text, headings |
| Black text on #73AFD4 | 8.81:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #73AFD4 text on white | 2.38:1 | Fails | Lc 46.9 | Large or bold text, headings |
| #73AFD4 text on black | 8.81:1 | AAA | Lc -55.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A2C6DE
oklch(80.8% 0.051 237.5)
-
Step 400
400 (this color)
#73AFD4
oklch(72.7% 0.082 236.6)
-
Step 500
500
#4193C1
oklch(63.2% 0.105 236.4)
-
Step 600
600
#167CAD
oklch(55.6% 0.114 236.6)
-
Step 700
700
#016895
oklch(49% 0.107 237.1)
-
Step 800
800
#0B5579
oklch(42.7% 0.089 237.1)
-
Step 900
900
#154761
oklch(37.8% 0.068 235.7)
-
Step 950
950
#0F2939
oklch(26.9% 0.044 238.4)
#73AFD4 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) | #9EAED6 | 0.051 |
| Deuteranopia (no green cones) | #91A3D3 | 0.044 |
| Tritanopia (no blue cones) | #48B9BB | 0.065 |
| Achromatopsia (no color) | #A8A8A8 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73AFD4
#73AFD4
oklch(72.7% 0.082 236.6)
- #CF9A74
#CF9A74
oklch(72.8% 0.082 56.7)
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 #73AFD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.051
- Bluegrey #85A3B2 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.058
- Bluey Grey #89A0B0 ΔE 0.058
- Light Grey Blue #9DBCD4 ΔE 0.064
- Turquoise Blue #06B1C4 ΔE 0.068
- Light Cornflower Blue #98C1D9 ΔE 0.068
- Carolina Blue #8AB8FE ΔE 0.069
Use #73AFD4 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.