#00728A
Closest named color: Sea Blue (#047495). oklch(51% 0.092 219.2), rgb(0, 114, 138).
Aa
White text reads best on this color (5.56:1).
About this color
#00728A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.092 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.018 away. White text reads best on it, at 5.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #00728A |
| RGB | rgb(0, 114, 138) |
| HSL | hsl(190, 100%, 27%) |
| OKLCH | oklch(51% 0.092 219.2) |
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 #00728A | 5.56:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #00728A | 3.77:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #00728A text on white | 5.56:1 | AA | Lc 77.2 | Fine for body text |
| #00728A text on black | 3.77:1 | AA large text | Lc -24.5 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE4
oklch(88.4% 0.024 219.7)
-
Step 300
300
#A1C8D4
oklch(80.9% 0.045 218.5)
-
Step 400
400
#6BACBF
oklch(70.8% 0.072 218.4)
-
Step 500
500
#3D96AF
oklch(63% 0.091 219.6)
-
Step 600
600
#07809B
oklch(55.5% 0.1 219.8)
-
Step 700
700 (this color)
#00728A
oklch(51% 0.092 219.2)
-
Step 800
800
#02586B
oklch(42.6% 0.076 219.2)
-
Step 900
900
#124957
oklch(37.7% 0.06 218.7)
-
Step 950
950
#0D2B33
oklch(27.1% 0.038 218.3)
#00728A 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) | #636F8B | 0.077 |
| Deuteranopia (no green cones) | #53638A | 0.069 |
| Tritanopia (no blue cones) | #007A7A | 0.041 |
| Achromatopsia (no color) | #686868 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00728A
#00728A
oklch(51% 0.092 219.2)
- #93523D
#93523D
oklch(51% 0.093 38.6)
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 #00728A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.018
- Ocean #017B92 ΔE 0.028
- Deep Aqua #08787F ΔE 0.030
- Ocean Blue #03719C ΔE 0.031
- Deep Turquoise #017374 ΔE 0.037
- Dark Aquamarine #017371 ΔE 0.042
- Peacock Blue #016795 ΔE 0.042
- Bluegreen #017A79 ΔE 0.043
Use #00728A 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.