#43567B
Closest named color: YInMn Blue (#415A77). oklch(45.4% 0.065 263.1), rgb(67, 86, 123).
Aa
White text reads best on this color (7.35:1).
About this color
#43567B is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.065 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.016 away. White text reads best on it, at 7.35:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #43567B |
| RGB | rgb(67, 86, 123) |
| HSL | hsl(220, 29%, 37%) |
| OKLCH | oklch(45.4% 0.065 263.1) |
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 #43567B | 7.35:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #43567B | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #43567B text on white | 7.35:1 | AAA | Lc 85.5 | Fine for body text |
| #43567B text on black | 2.85:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E8
oklch(88.4% 0.022 265.8)
-
Step 300
300
#B4C1DA
oklch(80.9% 0.038 263.6)
-
Step 400
400
#8DA1C8
oklch(70.7% 0.062 263.6)
-
Step 500
500
#7189B9
oklch(63% 0.078 263.8)
-
Step 600
600
#5973A5
oklch(55.6% 0.084 262.9)
-
Step 700
700
#49608E
oklch(49.1% 0.079 263.4)
-
Step 800
800 (this color)
#43567B
oklch(45.4% 0.065 263.1)
-
Step 900
900
#33415D
oklch(37.6% 0.052 263.7)
-
Step 950
950
#1E2636
oklch(26.9% 0.032 263.8)
#43567B 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) | #49597D | 0.013 |
| Deuteranopia (no green cones) | #43547A | 0.006 |
| Tritanopia (no blue cones) | #2F5E63 | 0.059 |
| Achromatopsia (no color) | #565656 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43567B
#43567B
oklch(45.4% 0.065 263.1)
- #685329
#685329
oklch(45.4% 0.065 83.1)
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 #43567B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.016
- Dusk #4E5481 ΔE 0.020
- Dusty Grape #545775 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.030
- Twilight #4E518B ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.037
- Denim #3B638C ΔE 0.041
- Dusky Blue #475F94 ΔE 0.045
Use #43567B 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.