#234FA1#234FA1

#234FA1 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.5% C 0.142 H 261.4°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#234FA1
RGB	rgb(35, 79, 161)
HSL	hsl(219, 64%, 38%)
HSV	hsv(219, 78%, 63%)
CMYK	cmyk(78.3%, 50.9%, 0%, 36.9%)
CIE-LAB	lab(35.05, 15.38, -48.78)
CIE-LCH	lch(35.05, 51.14, 287.51°)
OKLab	oklab(44.52% -0.0211 -0.1403)
OKLCH	oklch(44.52% 0.142 261.4)
XYZ	xyz(9.9198, 8.5214, 34.8333)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234FA1 #A17523

analogous

#238EA1 #234FA1 #3623A1

triadic

#234FA1 #A1234F #4FA123

tetradic

#234FA1 #A1238E #A17523 #23A136

square

#234FA1 #A1238E #A17523 #23A136

split-complementary

#234FA1 #A13623 #8EA123

monochromatic

#0D1E3C #18366F #234FA1 #2F68D2 #628DDD

Accessibility & contrast

On white

7.77

#234FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#234FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234FA1

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234FA1	#FFFFFF	#000000	##FFFFFF
##234FA1	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C59A4

Deuteranopia (green-blind)

#004D9F

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #234fa1;
/* rgb */ color: rgb(35, 79, 161);
/* oklch */ color: oklch(44.5% 0.142 261.4);

Tailwind

colors: {
  custom: {
    50: '#717fbd',
    500: '#234fa1',
    950: '#000000',
  },
}

SCSS

$custom: #234fa1;
$custom-light: #717fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#234fa1",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 161
  },
  "hsl": {
    "h": 219.048,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4452,
    "c": 0.1419,
    "h": 261.4
  },
  "luminance": 0.08522
}

Semantic roles & 50–950 ramp

primary

#234FA1

secondary

#C29F5E

accent

#AD41E7

background

#F7F7FB

surface

#EDEEF7

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #234FA1

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

Preview Lab → · Contrast checker → · Palette generator →