#4349BC
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(47.1% 0.178 275), rgb(67, 73, 188).
Aa
White text reads best on this color (7.19:1).
About this color
#4349BC is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.178 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.036 away. White text reads best on it, at 7.19:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #4349BC |
| RGB | rgb(67, 73, 188) |
| HSL | hsl(237, 47%, 50%) |
| OKLCH | oklch(47.1% 0.178 275) |
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 #4349BC | 7.19:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #4349BC | 2.91:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #4349BC text on white | 7.19:1 | AAA | Lc 84.5 | Fine for body text |
| #4349BC text on black | 2.91:1 | Fails | Lc -17.5 | 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 700.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#CFD7F9
oklch(88.4% 0.048 274.9)
-
Step 300
300
#B0BDF9
oklch(81% 0.086 274.8)
-
Step 400
400
#8898F5
oklch(70.7% 0.137 275)
-
Step 500
500
#6D7BF1
oklch(63% 0.175 275.1)
-
Step 600
600
#5761E0
oklch(55.6% 0.191 274.9)
-
Step 700
700 (this color)
#4349BC
oklch(47.1% 0.178 275)
-
Step 800
800
#3B429D
oklch(42.8% 0.146 275.1)
-
Step 900
900
#32397D
oklch(37.8% 0.114 275.1)
-
Step 950
950
#1D2249
oklch(27% 0.072 275)
#4349BC 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) | #005DC0 | 0.060 |
| Deuteranopia (no green cones) | #0052BA | 0.051 |
| Tritanopia (no blue cones) | #00667B | 0.149 |
| Achromatopsia (no color) | #575757 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4349BC
#4349BC
oklch(47.1% 0.178 275)
- #6C5A00
#6C5A00
oklch(47.1% 0.097 95.5)
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 #4349BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.036
- Majorelle Blue #3F37C9 ΔE 0.043
- Blurple #5539CC ΔE 0.045
- Blue Blue #2242C7 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.052
- Warm Blue #4B57DB ΔE 0.060
- Iris #6258C4 ΔE 0.063
- Blueberry #464196 ΔE 0.063
Use #4349BC 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.