#729D99
Closest named color: Cadet Blue (#5F9EA0). oklch(66.4% 0.047 188.9), rgb(114, 157, 153).
Aa
Black text reads best on this color (6.99:1).
About this color
#729D99 is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.047 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.021 away. Black text reads best on it, at 6.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.99:1 |
| White text | 3.00:1 |
Values
| HEX | #729D99 |
| RGB | rgb(114, 157, 153) |
| HSL | hsl(174, 18%, 53%) |
| OKLCH | oklch(66.4% 0.047 188.9) |
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 #729D99 | 3.00:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #729D99 | 6.99:1 | AA | Lc 47.4 | Large or bold text, headings |
| #729D99 text on white | 3.00:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #729D99 text on black | 6.99:1 | AA | Lc -45.1 | 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 500.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B1C6C3
oklch(81% 0.023 186.4)
-
Step 400
400
#87A8A5
oklch(70.6% 0.036 189.5)
-
Step 500
500 (this color)
#729D99
oklch(66.4% 0.047 188.9)
-
Step 600
600
#4F7D79
oklch(55.5% 0.051 188.8)
-
Step 700
700
#3F6A66
oklch(49.2% 0.048 188.2)
-
Step 800
800
#355653
oklch(42.7% 0.039 188.5)
-
Step 900
900
#2E4745
oklch(37.7% 0.031 189.6)
-
Step 950
950
#1B2A28
oklch(27.1% 0.021 185.7)
#729D99 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) | #989899 | 0.050 |
| Deuteranopia (no green cones) | #90929A | 0.048 |
| Tritanopia (no blue cones) | #649F9C | 0.015 |
| Achromatopsia (no color) | #959595 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729D99
#729D99
oklch(66.4% 0.047 188.9)
- #AE888D
#AE888D
oklch(66.4% 0.047 9.6)
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 #729D99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.021
- Dull Teal #5F9E8F ΔE 0.028
- Grey Teal #5E9B8A ΔE 0.033
- Greyblue #77A1B5 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.047
- Greeny Grey #7EA07A ΔE 0.049
- Grey Green #86A17D ΔE 0.050
Use #729D99 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.