#73A4CB
Closest named color: Greyblue (#77A1B5). oklch(69.9% 0.078 243.2), rgb(115, 164, 203).
Aa
Black text reads best on this color (7.90:1).
About this color
#73A4CB 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 0.031 away. Black text reads best on it, at 7.90:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.90:1 |
| White text | 2.65:1 |
Values
| HEX | #73A4CB |
| RGB | rgb(115, 164, 203) |
| HSL | hsl(207, 46%, 62%) |
| OKLCH | oklch(69.9% 0.078 243.2) |
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 #73A4CB | 2.65:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #73A4CB | 7.90:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #73A4CB text on white | 2.65:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #73A4CB text on black | 7.90:1 | AAA | Lc -50.3 | 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
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300
#A6C5DE
oklch(80.9% 0.049 242.6)
-
Step 400
400 (this color)
#73A4CB
oklch(69.9% 0.078 243.2)
-
Step 500
500
#5090C1
oklch(63.1% 0.099 243.4)
-
Step 600
600
#3079AD
oklch(55.5% 0.108 243.3)
-
Step 700
700
#226695
oklch(49.1% 0.101 243.2)
-
Step 800
800
#1F5379
oklch(42.6% 0.084 243.9)
-
Step 900
900
#1F4561
oklch(37.6% 0.065 243)
-
Step 950
950
#132939
oklch(27.1% 0.041 242)
#73A4CB 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) | #94A4CD | 0.040 |
| Deuteranopia (no green cones) | #889BCA | 0.033 |
| Tritanopia (no blue cones) | #50ADB1 | 0.063 |
| Achromatopsia (no color) | #9F9F9F | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73A4CB
#73A4CB
oklch(69.9% 0.078 243.2)
- #C1946B
#C1946B
oklch(69.9% 0.078 63.4)
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 #73A4CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.031
- Bluegrey #85A3B2 ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.043
- Cool Gray #8D99AE ΔE 0.050
- Cool Steel #97A7B3 ΔE 0.057
- Cool Grey #95A3A6 ΔE 0.065
- Cadet Blue #5F9EA0 ΔE 0.069
- Silver Lake Blue #778DA9 ΔE 0.070
Use #73A4CB 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.