#434DC1
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(48.3% 0.179 273.8), rgb(67, 77, 193).
Aa
White text reads best on this color (6.83:1).
About this color
#434DC1 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.179 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.040 away. White text reads best on it, at 6.83:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.179) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #434DC1 |
| RGB | rgb(67, 77, 193) |
| HSL | hsl(235, 50%, 51%) |
| OKLCH | oklch(48.3% 0.179 273.8) |
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 #434DC1 | 6.83:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #434DC1 | 3.07:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #434DC1 text on white | 6.83:1 | AA | Lc 83.1 | Fine for body text |
| #434DC1 text on black | 3.07:1 | AA large text | Lc -18.8 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD8FA
oklch(88.6% 0.048 273.7)
-
Step 300
300
#AFBDF9
oklch(80.9% 0.086 274.1)
-
Step 400
400
#8699F6
oklch(70.8% 0.138 273.6)
-
Step 500
500
#6A7CF3
oklch(63.1% 0.178 273.7)
-
Step 600
600
#5461E1
oklch(55.5% 0.193 273.9)
-
Step 700
700 (this color)
#434DC1
oklch(48.3% 0.179 273.8)
-
Step 800
800
#38429E
oklch(42.6% 0.148 273.6)
-
Step 900
900
#30397E
oklch(37.7% 0.116 273.9)
-
Step 950
950
#1C224A
oklch(27% 0.074 274)
#434DC1 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) | #0060C5 | 0.057 |
| Deuteranopia (no green cones) | #0055BF | 0.048 |
| Tritanopia (no blue cones) | #006A7F | 0.149 |
| Achromatopsia (no color) | #5B5B5B | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434DC1
#434DC1
oklch(48.3% 0.179 273.8)
- #715C00
#715C00
oklch(48.2% 0.099 93.4)
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 #434DC1, 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 0.040
- Blurple #5539CC ΔE 0.048
- Majorelle Blue #3F37C9 ΔE 0.048
- Warm Blue #4B57DB ΔE 0.048
- Blue Blue #2242C7 ΔE 0.049
- Bluey Purple #6241C7 ΔE 0.051
- Iris #6258C4 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.071
Use #434DC1 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.