#729CBA
Closest named color: Greyblue (#77A1B5). oklch(67.3% 0.064 240), rgb(114, 156, 186).
Aa
Black text reads best on this color (7.17:1).
About this color
#729CBA is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.064 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.019 away. Black text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #729CBA |
| RGB | rgb(114, 156, 186) |
| HSL | hsl(205, 34%, 59%) |
| OKLCH | oklch(67.3% 0.064 240) |
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 #729CBA | 2.92:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #729CBA | 7.17:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #729CBA text on white | 2.92:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #729CBA text on black | 7.17:1 | AAA | Lc -46.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#AAC5D8
oklch(80.9% 0.04 238.7)
-
Step 400
400 (this color)
#729CBA
oklch(67.3% 0.064 240)
-
Step 500
500
#5990B6
oklch(63% 0.082 240)
-
Step 600
600
#3D7AA2
oklch(55.6% 0.089 239.8)
-
Step 700
700
#2F668B
oklch(49% 0.083 240.8)
-
Step 800
800
#285471
oklch(42.8% 0.069 239.9)
-
Step 900
900
#25455B
oklch(37.6% 0.054 240.3)
-
Step 950
950
#162935
oklch(27.1% 0.033 237.5)
#729CBA 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) | #8F9BBB | 0.036 |
| Deuteranopia (no green cones) | #8594B9 | 0.030 |
| Tritanopia (no blue cones) | #58A3A6 | 0.050 |
| Achromatopsia (no color) | #979797 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729CBA
#729CBA
oklch(67.3% 0.064 240)
- #B48D6E
#B48D6E
oklch(67.2% 0.064 59.9)
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 #729CBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.019
- Bluey Grey #89A0B0 ΔE 0.035
- Cool Gray #8D99AE ΔE 0.035
- Bluegrey #85A3B2 ΔE 0.036
- Silver Lake Blue #778DA9 ΔE 0.042
- Blue Grey #758DA3 ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.048
- Faded Blue #658CBB ΔE 0.050
Use #729CBA 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.