#434FBC#434FBC

#434FBC is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.2% C 0.170 H 273.4°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#434FBC
RGB	rgb(67, 79, 188)
HSL	hsl(234, 47%, 50%)
HSV	hsv(234, 64%, 74%)
CMYK	cmyk(64.4%, 58%, 0%, 26.3%)
CIE-LAB	lab(38.58, 29.97, -58.99)
CIE-LCH	lch(38.58, 66.17, 296.93°)
OKLab	oklab(48.23% 0.0102 -0.1697)
OKLCH	oklch(48.23% 0.17 273.4)
XYZ	xyz(14.1848, 10.4149, 48.8300)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#434FBC #BCB043

analogous

#438BBC #434FBC #7443BC

triadic

#434FBC #BC434F #4FBC43

tetradic

#434FBC #BC438B #BCB043 #43BC74

square

#434FBC #BC438B #BCB043 #43BC74

split-complementary

#434FBC #BC7443 #8BBC43

monochromatic

#232962 #333C8F #434FBC #7079CC #9DA3DC

Accessibility & contrast

On white

6.81

#434FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#434FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #434FBC

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##434FBC	#FFFFFF	#000000	##FFFFFF
##434FBC	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0056BA

Tritanopia (blue-blind)

#00697E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #434fbc;
/* rgb */ color: rgb(67, 79, 188);
/* oklch */ color: oklch(48.2% 0.170 273.4);

Tailwind

colors: {
  custom: {
    50: '#8480d1',
    500: '#434fbc',
    950: '#000000',
  },
}

SCSS

$custom: #434fbc;
$custom-light: #8480d1;
$custom-dark: #000000;

JSON

{
  "hex": "#434fbc",
  "rgb": {
    "r": 67,
    "g": 79,
    "b": 188
  },
  "hsl": {
    "h": 234.05,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.48228,
    "c": 0.17001,
    "h": 273.4
  },
  "luminance": 0.10416
}

Semantic roles & 50–950 ramp

primary

#434FBC

secondary

#C9C392

accent

#CA51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #434FBC

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

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