#28797C
Closest named color: Deep Aqua (#08787F). oklch(52.9% 0.076 198.6), rgb(40, 121, 124).
Aa
White text reads best on this color (5.10:1).
About this color
#28797C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.076 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.014 away. White text reads best on it, at 5.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #28797C |
| RGB | rgb(40, 121, 124) |
| HSL | hsl(182, 51%, 32%) |
| OKLCH | oklch(52.9% 0.076 198.6) |
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 #28797C | 5.10:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #28797C | 4.11:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #28797C text on white | 5.10:1 | AA | Lc 74.9 | Content text, not long reading |
| #28797C text on black | 4.11:1 | AA large text | Lc -26.8 | 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 600.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A8C8C9
oklch(81% 0.034 198.8)
-
Step 400
400
#77ACAD
oklch(70.8% 0.056 197.5)
-
Step 500
500
#519799
oklch(63.2% 0.071 197.9)
-
Step 600
600 (this color)
#28797C
oklch(52.9% 0.076 198.6)
-
Step 700
700
#236D70
oklch(49.2% 0.071 199)
-
Step 800
800
#1F595B
oklch(42.8% 0.059 198.4)
-
Step 900
900
#20494B
oklch(37.7% 0.046 199.6)
-
Step 950
950
#142B2C
oklch(27.1% 0.029 199.2)
#28797C 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) | #70737C | 0.078 |
| Deuteranopia (no green cones) | #646A7C | 0.073 |
| Tritanopia (no blue cones) | #007D7A | 0.018 |
| Achromatopsia (no color) | #6E6E6E | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28797C
#28797C
oklch(52.9% 0.076 198.6)
- #93595A
#93595A
oklch(53% 0.077 18.9)
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 #28797C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.014
- Bluegreen #017A79 ΔE 0.016
- Teal #008080 ΔE 0.022
- Deep Turquoise #017374 ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.030
- Ocean #017B92 ΔE 0.034
- Sea Blue #047495 ΔE 0.048
- Dark Cyan #008B8B ΔE 0.052
Use #28797C 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.