#436573
Closest named color: Slate (#516572). oklch(48.6% 0.045 225.7), rgb(67, 101, 115).
Aa
White text reads best on this color (6.27:1).
About this color
#436573 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 49%, its chroma 0.045 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.018 away. White text reads best on it, at 6.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #436573 |
| RGB | rgb(67, 101, 115) |
| HSL | hsl(198, 26%, 36%) |
| OKLCH | oklch(48.6% 0.045 225.7) |
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 #436573 | 6.27:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #436573 | 3.34:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #436573 text on white | 6.27:1 | AA | Lc 81.2 | Fine for body text |
| #436573 text on black | 3.34:1 | AA large text | Lc -20.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D1DBDF
oklch(88.5% 0.012 223.5)
-
Step 300
300
#B2C4CB
oklch(80.9% 0.022 223.1)
-
Step 400
400
#8AA6B1
oklch(70.8% 0.035 223.6)
-
Step 500
500
#6D909E
oklch(63.2% 0.044 224.4)
-
Step 600
600
#547A89
oklch(55.7% 0.049 224.6)
-
Step 700
700 (this color)
#436573
oklch(48.6% 0.045 225.7)
-
Step 800
800
#38535F
oklch(42.6% 0.038 227.5)
-
Step 900
900
#31454D
oklch(37.7% 0.029 224.6)
-
Step 950
950
#1D282D
oklch(26.9% 0.018 227.5)
#436573 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) | #5D6374 | 0.035 |
| Deuteranopia (no green cones) | #565E73 | 0.031 |
| Tritanopia (no blue cones) | #306969 | 0.031 |
| Achromatopsia (no color) | #606060 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436573
#436573
oklch(48.6% 0.045 225.7)
- #75584A
#75584A
oklch(48.7% 0.044 47)
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 #436573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.018
- YInMn Blue #415A77 ΔE 0.037
- Denim #3B638C ΔE 0.044
- Dark Aqua #05696B ΔE 0.047
- Dusty Grape #545775 ΔE 0.047
- Deep Turquoise #017374 ΔE 0.054
- Petrol #005F6A ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.056
Use #436573 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.