#435BB1#435BB1

#435BB1 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.139 H 269.1°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#435BB1
RGB	rgb(67, 91, 177)
HSL	hsl(227, 45%, 48%)
HSV	hsv(227, 62%, 69%)
CMYK	cmyk(62.1%, 48.6%, 0%, 30.6%)
CIE-LAB	lab(40.97, 18.41, -48.66)
CIE-LCH	lch(40.97, 52.02, 290.72°)
OKLab	oklab(49.79% -0.0021 -0.1392)
OKLCH	oklch(49.79% 0.139 269.1)
XYZ	xyz(13.9890, 11.8486, 43.1363)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#435BB1 #B19943

analogous

#4392B1 #435BB1 #6243B1

triadic

#435BB1 #B1435B #5BB143

tetradic

#435BB1 #B14392 #B19943 #43B162

square

#435BB1 #B14392 #B19943 #43B162

split-complementary

#435BB1 #B16243 #92B143

monochromatic

#212D58 #324485 #435BB1 #6A7FC7 #97A5D8

Accessibility & contrast

On white

6.23

#435BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#435BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #435BB1

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##435BB1	#FFFFFF	#000000	##FFFFFF
##435BB1	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F66B4

Deuteranopia (green-blind)

#1A5CAF

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #435bb1;
/* rgb */ color: rgb(67, 91, 177);
/* oklch */ color: oklch(49.8% 0.139 269.1);

Tailwind

colors: {
  custom: {
    50: '#8289c9',
    500: '#435bb1',
    950: '#000000',
  },
}

SCSS

$custom: #435bb1;
$custom-light: #8289c9;
$custom-dark: #000000;

JSON

{
  "hex": "#435bb1",
  "rgb": {
    "r": 67,
    "g": 91,
    "b": 177
  },
  "hsl": {
    "h": 226.909,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49789,
    "c": 0.13918,
    "h": 269.1
  },
  "luminance": 0.1185
}

Semantic roles & 50–950 ramp

primary

#435BB1

secondary

#C3B78C

accent

#B853D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #435BB1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →