#729BC5
Closest named color: Greyblue (#77A1B5). oklch(67.6% 0.077 249.6), rgb(114, 155, 197).
Aa
Black text reads best on this color (7.21:1).
About this color
#729BC5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.077 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.034 away. Black text reads best on it, at 7.21:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.21:1 |
| White text | 2.91:1 |
Values
| HEX | #729BC5 |
| RGB | rgb(114, 155, 197) |
| HSL | hsl(210, 42%, 61%) |
| OKLCH | oklch(67.6% 0.077 249.6) |
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 #729BC5 | 2.91:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #729BC5 | 7.21:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #729BC5 text on white | 2.91:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #729BC5 text on black | 7.21:1 | AAA | Lc -46.4 | 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
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEB
oklch(88.5% 0.027 249.9)
-
Step 300
300
#AAC4DF
oklch(81% 0.048 249.4)
-
Step 400
400 (this color)
#729BC5
oklch(67.6% 0.077 249.6)
-
Step 500
500
#598EC3
oklch(63.2% 0.098 249.6)
-
Step 600
600
#3D77AF
oklch(55.6% 0.107 249.6)
-
Step 700
700
#2F6497
oklch(49.2% 0.1 249.8)
-
Step 800
800
#28527A
oklch(42.8% 0.082 249.3)
-
Step 900
900
#254462
oklch(37.7% 0.064 249.1)
-
Step 950
950
#16283A
oklch(27.1% 0.041 249.6)
#729BC5 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) | #8B9CC7 | 0.032 |
| Deuteranopia (no green cones) | #8094C4 | 0.024 |
| Tritanopia (no blue cones) | #53A5A9 | 0.067 |
| Achromatopsia (no color) | #979797 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729BC5
#729BC5
oklch(67.6% 0.077 249.6)
- #B68F62
#B68F62
oklch(67.6% 0.077 69.9)
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 #729BC5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.034
- Cool Gray #8D99AE ΔE 0.045
- Faded Blue #658CBB ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.048
- Blue Grey #758DA3 ΔE 0.055
- Cadet Blue #5F9EA0 ΔE 0.065
Use #729BC5 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.