#28667F
Closest named color: Denim (#3B638C). oklch(48.1% 0.074 228), rgb(40, 102, 127).
Aa
White text reads best on this color (6.36:1).
About this color
#28667F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.074 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.031 away. White text reads best on it, at 6.36:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.29:1 |
| White text | 6.36:1 |
Values
| HEX | #28667F |
| RGB | rgb(40, 102, 127) |
| HSL | hsl(197, 52%, 33%) |
| OKLCH | oklch(48.1% 0.074 228) |
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 #28667F | 6.36:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #28667F | 3.29:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #28667F text on white | 6.36:1 | AA | Lc 81.4 | Fine for body text |
| #28667F text on black | 3.29:1 | AA large text | Lc -20.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A9C6D3
oklch(80.9% 0.036 226.7)
-
Step 400
400
#7BA8BD
oklch(70.7% 0.057 228.4)
-
Step 500
500
#5792AD
oklch(63% 0.074 229.1)
-
Step 600
600
#397C98
oklch(55.5% 0.08 228.2)
-
Step 700
700 (this color)
#28667F
oklch(48.1% 0.074 228)
-
Step 800
800
#25566A
oklch(42.8% 0.062 227.7)
-
Step 900
900
#244756
oklch(37.8% 0.048 227.9)
-
Step 950
950
#162932
oklch(26.9% 0.03 229.7)
#28667F 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) | #596480 | 0.054 |
| Deuteranopia (no green cones) | #4D5B7F | 0.048 |
| Tritanopia (no blue cones) | #006D6E | 0.044 |
| Achromatopsia (no color) | #5F5F5F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28667F
#28667F
oklch(48.1% 0.074 228)
- #805138
#805138
oklch(48.2% 0.074 48.4)
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 #28667F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.031
- Peacock Blue #016795 ΔE 0.037
- YInMn Blue #415A77 ΔE 0.039
- Dark Aqua #05696B ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.043
- Petrol #005F6A ΔE 0.045
- Slate #516572 ΔE 0.045
- Sea Blue #047495 ΔE 0.047
Use #28667F 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.