#73A5CC
Closest named color: Greyblue (#77A1B5). oklch(70.1% 0.078 242.7), rgb(115, 165, 204).
Aa
Black text reads best on this color (7.98:1).
About this color
#73A5CC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.078 and its hue 243°. 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 7.98:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.98:1 |
| White text | 2.63:1 |
Values
| HEX | #73A5CC |
| RGB | rgb(115, 165, 204) |
| HSL | hsl(206, 47%, 63%) |
| OKLCH | oklch(70.1% 0.078 242.7) |
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 #73A5CC | 2.63:1 | Fails | Lc -56.4 | Large or bold text, headings |
| Black text on #73A5CC | 7.98:1 | AAA | Lc 52.8 | Large or bold text, headings |
| #73A5CC text on white | 2.63:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #73A5CC text on black | 7.98:1 | AAA | Lc -50.7 | 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
#CADCEA
oklch(88.5% 0.027 241.2)
-
Step 300
300
#A6C5DE
oklch(80.9% 0.049 242.6)
-
Step 400
400 (this color)
#73A5CC
oklch(70.1% 0.078 242.7)
-
Step 500
500
#4E90C1
oklch(63% 0.1 242.7)
-
Step 600
600
#2E7AAE
oklch(55.7% 0.109 242.5)
-
Step 700
700
#206695
oklch(49% 0.101 242.8)
-
Step 800
800
#1D5479
oklch(42.8% 0.084 242.1)
-
Step 900
900
#1E4561
oklch(37.6% 0.065 242.5)
-
Step 950
950
#132939
oklch(27.1% 0.041 242)
#73A5CC 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) | #95A5CE | 0.041 |
| Deuteranopia (no green cones) | #899BCB | 0.035 |
| Tritanopia (no blue cones) | #4FAEB2 | 0.063 |
| Achromatopsia (no color) | #A0A0A0 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A5CC
#73A5CC
oklch(70.1% 0.078 242.7)
- #C2946B
#C2946B
oklch(70% 0.079 62.7)
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 #73A5CC, 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 0.041
- Bluey Grey #89A0B0 ΔE 0.044
- Cool Gray #8D99AE ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.056
- Cool Grey #95A3A6 ΔE 0.065
- Turquoise Blue #06B1C4 ΔE 0.070
- Cadet Blue #5F9EA0 ΔE 0.071
Use #73A5CC 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.