#73A3CC
Closest named color: Greyblue (#77A1B5). oklch(69.7% 0.08 245.1), rgb(115, 163, 204).
Aa
Black text reads best on this color (7.83:1).
About this color
#73A3CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.080 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.033 away. Black text reads best on it, at 7.83:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.83:1 |
| White text | 2.67:1 |
Values
| HEX | #73A3CC |
| RGB | rgb(115, 163, 204) |
| HSL | hsl(208, 47%, 63%) |
| OKLCH | oklch(69.7% 0.08 245.1) |
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 #73A3CC | 2.67:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #73A3CC | 7.83:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #73A3CC text on white | 2.67:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #73A3CC text on black | 7.83:1 | AAA | Lc -49.9 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEB
oklch(88.6% 0.028 244.7)
-
Step 300
300
#A7C5DF
oklch(81% 0.049 244.6)
-
Step 400
400 (this color)
#73A3CC
oklch(69.7% 0.08 245.1)
-
Step 500
500
#508FC3
oklch(63% 0.102 245.3)
-
Step 600
600
#3279AF
oklch(55.6% 0.11 244.8)
-
Step 700
700
#246597
oklch(49% 0.103 245.6)
-
Step 800
800
#20537A
oklch(42.7% 0.084 244.9)
-
Step 900
900
#204562
oklch(37.7% 0.066 244.5)
-
Step 950
950
#14283A
oklch(26.9% 0.043 247.2)
#73A3CC 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) | #92A3CE | 0.038 |
| Deuteranopia (no green cones) | #879ACB | 0.032 |
| Tritanopia (no blue cones) | #4FADB1 | 0.066 |
| Achromatopsia (no color) | #9E9E9E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A3CC
#73A3CC
oklch(69.7% 0.08 245.1)
- #C09368
#C09368
oklch(69.6% 0.08 64.6)
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 #73A3CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.042
- Bluey Grey #89A0B0 ΔE 0.045
- Cool Gray #8D99AE ΔE 0.051
- Cool Steel #97A7B3 ΔE 0.059
- Cool Grey #95A3A6 ΔE 0.067
- Faded Blue #658CBB ΔE 0.068
- Silver Lake Blue #778DA9 ΔE 0.069
Use #73A3CC 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.