#43548A
Closest named color: Twilight (#4E518B). oklch(45.8% 0.091 269.4), rgb(67, 84, 138).
Aa
White text reads best on this color (7.30:1).
About this color
#43548A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.091 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.017 away. White text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #43548A |
| RGB | rgb(67, 84, 138) |
| HSL | hsl(226, 35%, 40%) |
| OKLCH | oklch(45.8% 0.091 269.4) |
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 #43548A | 7.30:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #43548A | 2.87:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #43548A text on white | 7.30:1 | AAA | Lc 85.3 | Fine for body text |
| #43548A text on black | 2.87:1 | Fails | Lc -16.7 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E6EAF5
oklch(93.7% 0.015 270)
-
Step 200
200
#D1D9ED
oklch(88.5% 0.029 268.3)
-
Step 300
300
#B3C0E4
oklch(81% 0.053 269.6)
-
Step 400
400
#8B9FD6
oklch(70.8% 0.084 268.8)
-
Step 500
500
#6F86CB
oklch(63.1% 0.108 269.2)
-
Step 600
600
#586EB8
oklch(55.5% 0.118 269.8)
-
Step 700
700
#485C9F
oklch(49.1% 0.11 269.5)
-
Step 800
800 (this color)
#43548A
oklch(45.8% 0.091 269.4)
-
Step 900
900
#323F67
oklch(37.6% 0.071 269.2)
-
Step 950
950
#1E253C
oklch(27% 0.044 270.3)
#43548A 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) | #3F5A8C | 0.017 |
| Deuteranopia (no green cones) | #385389 | 0.015 |
| Tritanopia (no blue cones) | #255F68 | 0.081 |
| Achromatopsia (no color) | #565656 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43548A
#43548A
oklch(45.8% 0.091 269.4)
- #6B5406
#6B5406
oklch(45.7% 0.091 89.7)
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 #43548A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.017
- Dusk #4E5481 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.028
- Dusk Blue #26538D ΔE 0.033
- Dusky Blue #475F94 ΔE 0.034
- YInMn Blue #415A77 ΔE 0.040
- Denim #3B638C ΔE 0.043
Use #43548A 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.