#43536A
Closest named color: YInMn Blue (#415A77). oklch(43.8% 0.043 257.4), rgb(67, 83, 106).
Aa
White text reads best on this color (7.82:1).
About this color
#43536A is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.043 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.026 away. White text reads best on it, at 7.82:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #43536A |
| RGB | rgb(67, 83, 106) |
| HSL | hsl(215, 23%, 34%) |
| OKLCH | oklch(43.8% 0.043 257.4) |
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 #43536A | 7.82:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #43536A | 2.68:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #43536A text on white | 7.82:1 | AAA | Lc 87.1 | Fine for body text |
| #43536A text on black | 2.68:1 | Fails | Lc -15.0 | 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
#D3DAE3
oklch(88.6% 0.015 254.6)
-
Step 300
300
#B7C2D1
oklch(81% 0.024 256.1)
-
Step 400
400
#91A2BA
oklch(70.7% 0.04 257)
-
Step 500
500
#768BA9
oklch(63.1% 0.051 257.3)
-
Step 600
600
#5F7594
oklch(55.7% 0.055 257)
-
Step 700
700
#4E627E
oklch(49.1% 0.051 256.8)
-
Step 800
800 (this color)
#43536A
oklch(43.8% 0.043 257.4)
-
Step 900
900
#364254
oklch(37.6% 0.035 258.3)
-
Step 950
950
#202731
oklch(27% 0.021 257.3)
#43536A 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) | #4B546B | 0.012 |
| Deuteranopia (no green cones) | #47506A | 0.010 |
| Tritanopia (no blue cones) | #37585B | 0.038 |
| Achromatopsia (no color) | #525252 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43536A
#43536A
oklch(43.8% 0.043 257.4)
- #5F4F37
#5F4F37
oklch(43.7% 0.042 77.4)
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 #43536A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.026
- Dusty Grape #545775 ΔE 0.034
- Dusk #4E5481 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.055
- Petrol #005F6A ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.059
- Slate #516572 ΔE 0.060
Use #43536A 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.