#28707F
Closest named color: Deep Aqua (#08787F). oklch(50.7% 0.074 214.1), rgb(40, 112, 127).
Aa
White text reads best on this color (5.65:1).
About this color
#28707F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.074 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.026 away. White text reads best on it, at 5.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #28707F |
| RGB | rgb(40, 112, 127) |
| HSL | hsl(190, 52%, 33%) |
| OKLCH | oklch(50.7% 0.074 214.1) |
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 #28707F | 5.65:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #28707F | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #28707F text on white | 5.65:1 | AA | Lc 78.0 | Fine for body text |
| #28707F text on black | 3.71:1 | AA large text | Lc -23.8 | 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 700.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE1
oklch(88.5% 0.02 212.6)
-
Step 300
300
#A7C7CF
oklch(80.9% 0.036 214.5)
-
Step 400
400
#77AAB6
oklch(70.6% 0.057 214)
-
Step 500
500
#5195A4
oklch(63.1% 0.072 213.7)
-
Step 600
600
#317F90
oklch(55.6% 0.079 214.7)
-
Step 700
700 (this color)
#28707F
oklch(50.7% 0.074 214.1)
-
Step 800
800
#1F5763
oklch(42.6% 0.061 214.4)
-
Step 900
900
#204851
oklch(37.7% 0.047 214.4)
-
Step 950
950
#142A2F
oklch(26.9% 0.029 214)
#28707F 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) | #656C80 | 0.067 |
| Deuteranopia (no green cones) | #59637F | 0.061 |
| Tritanopia (no blue cones) | #007675 | 0.032 |
| Achromatopsia (no color) | #676767 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28707F
#28707F
oklch(50.7% 0.074 214.1)
- #8A5549
#8A5549
oklch(50.6% 0.074 33.5)
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 #28707F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.026
- Deep Turquoise #017374 ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.032
- Sea Blue #047495 ΔE 0.035
- Bluegreen #017A79 ΔE 0.037
- Ocean #017B92 ΔE 0.038
- Dark Aqua #05696B ΔE 0.041
- Ocean Blue #03719C ΔE 0.047
Use #28707F 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.