#234AA1#234AA1

#234AA1 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.4% C 0.148 H 263.3°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#234AA1
RGB	rgb(35, 74, 161)
HSL	hsl(221, 64%, 38%)
HSV	hsv(221, 78%, 63%)
CMYK	cmyk(78.3%, 54%, 0%, 36.9%)
CIE-LAB	lab(33.62, 18.75, -51.08)
CIE-LCH	lch(33.62, 54.42, 290.16°)
OKLab	oklab(43.43% -0.0172 -0.1472)
OKLCH	oklch(43.43% 0.148 263.3)
XYZ	xyz(9.5726, 7.8270, 34.7176)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234AA1 #A17A23

analogous

#2389A1 #234AA1 #3B23A1

triadic

#234AA1 #A1234A #4AA123

tetradic

#234AA1 #A12389 #A17A23 #23A13B

square

#234AA1 #A12389 #A17A23 #23A13B

split-complementary

#234AA1 #A13B23 #89A123

monochromatic

#0D1C3C #18336F #234AA1 #2F62D2 #6288DD

Accessibility & contrast

On white

8.19

#234AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#234AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234AA1

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234AA1	#FFFFFF	#000000	##FFFFFF
##234AA1	1.00	8.19	2.57	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0555A4

Deuteranopia (green-blind)

#004A9F

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #234aa1;
/* rgb */ color: rgb(35, 74, 161);
/* oklch */ color: oklch(43.4% 0.148 263.3);

Tailwind

colors: {
  custom: {
    50: '#727bbd',
    500: '#234aa1',
    950: '#000000',
  },
}

SCSS

$custom: #234aa1;
$custom-light: #727bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#234aa1",
  "rgb": {
    "r": 35,
    "g": 74,
    "b": 161
  },
  "hsl": {
    "h": 221.429,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43434,
    "c": 0.1482,
    "h": 263.3
  },
  "luminance": 0.07828
}

Semantic roles & 50–950 ramp

primary

#234AA1

secondary

#C2A35E

accent

#B441E7

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #234AA1

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

Preview Lab → · Contrast checker → · Palette generator →