#729FA3
Closest named color: Cadet Blue (#5F9EA0). oklch(67.2% 0.049 203), rgb(114, 159, 163).
Aa
Black text reads best on this color (7.20:1).
About this color
#729FA3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.049 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.022 away. Black text reads best on it, at 7.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #729FA3 |
| RGB | rgb(114, 159, 163) |
| HSL | hsl(185, 21%, 54%) |
| OKLCH | oklch(67.2% 0.049 203) |
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 #729FA3 | 2.91:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #729FA3 | 7.20:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #729FA3 text on white | 2.91:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #729FA3 text on black | 7.20:1 | AAA | Lc -46.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CDDDDE
oklch(88.6% 0.017 201.4)
-
Step 300
300
#ABC7C9
oklch(81% 0.03 201.9)
-
Step 400
400 (this color)
#729FA3
oklch(67.2% 0.049 203)
-
Step 500
500
#59959A
oklch(63.1% 0.063 202.5)
-
Step 600
600
#3D7F85
oklch(55.6% 0.068 203.3)
-
Step 700
700
#2E6B71
oklch(49% 0.063 204.1)
-
Step 800
800
#28575C
oklch(42.6% 0.052 204.6)
-
Step 900
900
#25484B
oklch(37.7% 0.041 202.8)
-
Step 950
950
#172A2C
oklch(27% 0.025 204.3)
#729FA3 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) | #989BA3 | 0.049 |
| Deuteranopia (no green cones) | #8F94A3 | 0.046 |
| Tritanopia (no blue cones) | #61A2A0 | 0.021 |
| Achromatopsia (no color) | #979797 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729FA3
#729FA3
oklch(67.2% 0.049 203)
- #B28A88
#B28A88
oklch(67.1% 0.049 21.8)
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 #729FA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.022
- Greyblue #77A1B5 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.035
- Bluey Grey #89A0B0 ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.038
- Cool Gray #8D99AE ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.045
- Cool Grey #95A3A6 ΔE 0.047
Use #729FA3 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.