#234BB4#234BB4

#234BB4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.2% C 0.173 H 264.5°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#234BB4
RGB	rgb(35, 75, 180)
HSL	hsl(223, 67%, 42%)
HSV	hsv(223, 81%, 71%)
CMYK	cmyk(80.6%, 58.3%, 0%, 29.4%)
CIE-LAB	lab(35.37, 25.49, -59.57)
CIE-LCH	lch(35.37, 64.80, 293.17°)
OKLab	oklab(45.22% -0.0165 -0.1721)
OKLCH	oklch(45.22% 0.173 264.5)
XYZ	xyz(11.4445, 8.6834, 44.2441)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234BB4 #B48C23

analogous

#2394B4 #234BB4 #4323B4

triadic

#234BB4 #B4234B #4BB423

tetradic

#234BB4 #B42394 #B48C23 #23B443

square

#234BB4 #B42394 #B48C23 #23B443

split-complementary

#234BB4 #B44323 #94B423

monochromatic

#0F204E #193681 #234BB4 #3B67D9 #6E8FE3

Accessibility & contrast

On white

7.67

#234BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#234BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234BB4

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234BB4	#FFFFFF	#000000	##FFFFFF
##234BB4	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #234bb4;
/* rgb */ color: rgb(35, 75, 180);
/* oklch */ color: oklch(45.2% 0.173 264.5);

Tailwind

colors: {
  custom: {
    50: '#767ccb',
    500: '#234bb4',
    950: '#000000',
  },
}

SCSS

$custom: #234bb4;
$custom-light: #767ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#234bb4",
  "rgb": {
    "r": 35,
    "g": 75,
    "b": 180
  },
  "hsl": {
    "h": 223.448,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45215,
    "c": 0.17292,
    "h": 264.5
  },
  "luminance": 0.08685
}

Semantic roles & 50–950 ramp

primary

#234BB4

secondary

#C9AF69

accent

#BB3DEA

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #234BB4

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

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