#234EA8#234EA8

#234EA8 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.8% C 0.153 H 262.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#234EA8
RGB	rgb(35, 78, 168)
HSL	hsl(221, 66%, 40%)
HSV	hsv(221, 79%, 66%)
CMYK	cmyk(79.2%, 53.6%, 0%, 34.1%)
CIE-LAB	lab(35.27, 18.81, -52.61)
CIE-LCH	lch(35.27, 55.87, 289.67°)
OKLab	oklab(44.85% -0.0195 -0.1516)
OKLCH	oklch(44.85% 0.153 262.7)
XYZ	xyz(10.4829, 8.6320, 38.1519)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234EA8 #A87D23

analogous

#2390A8 #234EA8 #3B23A8

triadic

#234EA8 #A8234E #4EA823

tetradic

#234EA8 #A82390 #A87D23 #23A83B

square

#234EA8 #A82390 #A87D23 #23A83B

split-complementary

#234EA8 #A83B23 #90A823

monochromatic

#0E1F43 #183675 #234EA8 #3468D5 #668DDF

Accessibility & contrast

On white

7.70

#234EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#234EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234EA8

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234EA8	#FFFFFF	#000000	##FFFFFF
##234EA8	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0859AB

Deuteranopia (green-blind)

#004DA6

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #234ea8;
/* rgb */ color: rgb(35, 78, 168);
/* oklch */ color: oklch(44.8% 0.153 262.7);

Tailwind

colors: {
  custom: {
    50: '#737fc2',
    500: '#234ea8',
    950: '#000000',
  },
}

SCSS

$custom: #234ea8;
$custom-light: #737fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#234ea8",
  "rgb": {
    "r": 35,
    "g": 78,
    "b": 168
  },
  "hsl": {
    "h": 220.602,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44848,
    "c": 0.15287,
    "h": 262.7
  },
  "luminance": 0.08633
}

Semantic roles & 50–950 ramp

primary

#234EA8

secondary

#C5A562

accent

#B23FE8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #234EA8

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

Preview Lab → · Contrast checker → · Palette generator →