#43526B
Closest named color: YInMn Blue (#415A77). oklch(43.6% 0.046 260.5), rgb(67, 82, 107).
Aa
White text reads best on this color (7.90:1).
About this color
#43526B is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.046 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 7.90:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #43526B |
| RGB | rgb(67, 82, 107) |
| HSL | hsl(218, 23%, 34%) |
| OKLCH | oklch(43.6% 0.046 260.5) |
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 #43526B | 7.90:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #43526B | 2.65:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #43526B text on white | 7.90:1 | AAA | Lc 87.4 | Fine for body text |
| #43526B text on black | 2.65:1 | Fails | Lc -14.7 | Not readable |
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 800.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B7C1D2
oklch(80.8% 0.026 261.1)
-
Step 400
400
#92A1BC
oklch(70.6% 0.043 262.2)
-
Step 500
500
#778AAB
oklch(63.1% 0.055 261.4)
-
Step 600
600
#5F7497
oklch(55.6% 0.06 260.5)
-
Step 700
700
#4F6180
oklch(49% 0.055 261.1)
-
Step 800
800 (this color)
#43526B
oklch(43.6% 0.046 260.5)
-
Step 900
900
#374255
oklch(37.7% 0.036 261.2)
-
Step 950
950
#202732
oklch(27.1% 0.023 259.3)
#43526B 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) | #49536C | 0.010 |
| Deuteranopia (no green cones) | #45506A | 0.006 |
| Tritanopia (no blue cones) | #37575A | 0.041 |
| Achromatopsia (no color) | #515151 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43526B
#43526B
oklch(43.6% 0.046 260.5)
- #5F4F34
#5F4F34
oklch(43.7% 0.046 80.2)
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 #43526B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Dusty Grape #545775 ΔE 0.034
- Dusk #4E5481 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.056
- Twilight #4E518B ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.058
- Petrol #005F6A ΔE 0.061
Use #43526B 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.