#436370
Closest named color: Slate (#516572). oklch(48% 0.043 225.3), rgb(67, 99, 112).
Aa
White text reads best on this color (6.44:1).
About this color
#436370 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.043 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.020 away. White text reads best on it, at 6.44:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.25:1 |
| White text | 6.44:1 |
Values
| HEX | #436370 |
| RGB | rgb(67, 99, 112) |
| HSL | hsl(197, 25%, 35%) |
| OKLCH | oklch(48% 0.043 225.3) |
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 #436370 | 6.44:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #436370 | 3.25:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #436370 text on white | 6.44:1 | AA | Lc 82.0 | Fine for body text |
| #436370 text on black | 3.25:1 | AA large text | Lc -19.9 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B3C4CB
oklch(80.9% 0.021 224.4)
-
Step 400
400
#8BA5B0
oklch(70.6% 0.033 225.3)
-
Step 500
500
#6E8F9D
oklch(63% 0.043 225.8)
-
Step 600
600
#567988
oklch(55.5% 0.046 226.4)
-
Step 700
700 (this color)
#436370
oklch(48% 0.043 225.3)
-
Step 800
800
#3A535E
oklch(42.6% 0.035 227)
-
Step 900
900
#32454D
oklch(37.8% 0.028 225.7)
-
Step 950
950
#1D282D
oklch(26.9% 0.018 227.5)
#436370 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) | #5C6171 | 0.034 |
| Deuteranopia (no green cones) | #555C70 | 0.030 |
| Tritanopia (no blue cones) | #326767 | 0.029 |
| Achromatopsia (no color) | #5E5E5E | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436370
#436370
oklch(48% 0.043 225.3)
- #73564A
#73564A
oklch(48% 0.043 43.5)
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 #436370, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.020
- YInMn Blue #415A77 ΔE 0.034
- Dusty Grape #545775 ΔE 0.044
- Denim #3B638C ΔE 0.046
- Dark Aqua #05696B ΔE 0.047
- Petrol #005F6A ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.057
- Deep Turquoise #017374 ΔE 0.058
Use #436370 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.