#436374
Closest named color: Slate (#516572). oklch(48.2% 0.046 232.2), rgb(67, 99, 116).
Aa
White text reads best on this color (6.41:1).
About this color
#436374 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.046 and its hue 232°. 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 6.41:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #436374 |
| RGB | rgb(67, 99, 116) |
| HSL | hsl(201, 27%, 36%) |
| OKLCH | oklch(48.2% 0.046 232.2) |
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 #436374 | 6.41:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #436374 | 3.27:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #436374 text on white | 6.41:1 | AA | Lc 81.8 | Fine for body text |
| #436374 text on black | 3.27:1 | AA large text | Lc -20.1 | 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
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B3C4CD
oklch(81% 0.023 230.6)
-
Step 400
400
#8BA5B3
oklch(70.7% 0.035 231.5)
-
Step 500
500
#6E8FA1
oklch(63.2% 0.046 232.3)
-
Step 600
600
#55798C
oklch(55.6% 0.05 231.8)
-
Step 700
700 (this color)
#436374
oklch(48.2% 0.046 232.2)
-
Step 800
800
#395361
oklch(42.7% 0.039 232.4)
-
Step 900
900
#32454F
oklch(37.8% 0.029 231.4)
-
Step 950
950
#1D282E
oklch(26.9% 0.019 232.2)
#436374 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) | #5B6275 | 0.032 |
| Deuteranopia (no green cones) | #545C74 | 0.029 |
| Tritanopia (no blue cones) | #306868 | 0.035 |
| Achromatopsia (no color) | #5F5F5F | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436374
#436374
oklch(48.2% 0.046 232.2)
- #745746
#745746
oklch(48.2% 0.047 51.6)
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 #436374, 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 0.030
- Denim #3B638C ΔE 0.040
- Dusty Grape #545775 ΔE 0.042
- Dark Aqua #05696B ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.054
- Petrol #005F6A ΔE 0.054
- Dusk #4E5481 ΔE 0.057
Use #436374 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.