#729CB0
Closest named color: Greyblue (#77A1B5). oklch(66.9% 0.054 229), rgb(114, 156, 176).
Aa
Black text reads best on this color (7.09:1).
About this color
#729CB0 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.054 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.016 away. Black text reads best on it, at 7.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.09:1 |
| White text | 2.95:1 |
Values
| HEX | #729CB0 |
| RGB | rgb(114, 156, 176) |
| HSL | hsl(199, 28%, 57%) |
| OKLCH | oklch(66.9% 0.054 229) |
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 #729CB0 | 2.95:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #729CB0 | 7.09:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #729CB0 text on white | 2.95:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #729CB0 text on black | 7.09:1 | AAA | Lc -45.7 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ABC5D2
oklch(80.8% 0.034 229.4)
-
Step 400
400 (this color)
#729CB0
oklch(66.9% 0.054 229)
-
Step 500
500
#5B92AB
oklch(63.1% 0.069 228.7)
-
Step 600
600
#3F7C97
oklch(55.7% 0.076 229.1)
-
Step 700
700
#306881
oklch(49% 0.071 229.8)
-
Step 800
800
#295568
oklch(42.7% 0.058 228.5)
-
Step 900
900
#264655
oklch(37.6% 0.046 229.9)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#729CB0 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) | #929AB1 | 0.041 |
| Deuteranopia (no green cones) | #8993B0 | 0.036 |
| Tritanopia (no blue cones) | #5CA2A2 | 0.039 |
| Achromatopsia (no color) | #969696 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729CB0
#729CB0
oklch(66.9% 0.054 229)
- #B28C78
#B28C78
oklch(67.1% 0.055 49.1)
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 #729CB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.016
- Bluey Grey #89A0B0 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.032
- Cool Gray #8D99AE ΔE 0.034
- Cadet Blue #5F9EA0 ΔE 0.035
- Silver Lake Blue #778DA9 ΔE 0.041
- Blue Grey #758DA3 ΔE 0.041
- Cool Grey #95A3A6 ΔE 0.053
Use #729CB0 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.