#729CA3
Closest named color: Cadet Blue (#5F9EA0). oklch(66.5% 0.047 208.9), rgb(114, 156, 163).
Aa
Black text reads best on this color (6.99:1).
About this color
#729CA3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.047 and its hue 209°. 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 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 | #729CA3 |
| RGB | rgb(114, 156, 163) |
| HSL | hsl(189, 21%, 54%) |
| OKLCH | oklch(66.5% 0.047 208.9) |
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 #729CA3 | 3.00:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #729CA3 | 6.99:1 | AA | Lc 47.4 | Large or bold text, headings |
| #729CA3 text on white | 3.00:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #729CA3 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
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#D0DCDD
oklch(88.6% 0.013 202.9)
-
Step 300
300
#B1C5C8
oklch(80.9% 0.022 207.6)
-
Step 400
400
#87A7AD
oklch(70.6% 0.036 210.3)
-
Step 500
500 (this color)
#729CA3
oklch(66.5% 0.047 208.9)
-
Step 600
600
#4F7C83
oklch(55.6% 0.05 208.2)
-
Step 700
700
#3F686F
oklch(49% 0.047 209.5)
-
Step 800
800
#34555A
oklch(42.6% 0.039 207.9)
-
Step 900
900
#2E464A
oklch(37.6% 0.03 209)
-
Step 950
950
#1B292B
oklch(26.9% 0.019 207.1)
#729CA3 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) | #9599A3 | 0.045 |
| Deuteranopia (no green cones) | #8D92A3 | 0.042 |
| Tritanopia (no blue cones) | #61A09E | 0.024 |
| Achromatopsia (no color) | #959595 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729CA3
#729CA3
oklch(66.5% 0.047 208.9)
- #AF8983
#AF8983
oklch(66.4% 0.048 28.7)
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 #729CA3, 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
- Bluey Grey #89A0B0 ΔE 0.037
- Bluegrey #85A3B2 ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.040
- Cool Gray #8D99AE ΔE 0.041
- Blue Grey #758DA3 ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.046
Use #729CA3 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.