#234FA8#234FA8

#234FA8 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.1% C 0.152 H 262.3°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#234FA8
RGB	rgb(35, 79, 168)
HSL	hsl(220, 66%, 40%)
HSV	hsv(220, 79%, 66%)
CMYK	cmyk(79.2%, 53%, 0%, 34.1%)
CIE-LAB	lab(35.55, 18.14, -52.15)
CIE-LCH	lch(35.55, 55.22, 289.18°)
OKLab	oklab(45.06% -0.0202 -0.1502)
OKLCH	oklch(45.06% 0.152 262.3)
XYZ	xyz(10.5545, 8.7752, 38.1757)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234FA8 #A87C23

analogous

#2392A8 #234FA8 #3923A8

triadic

#234FA8 #A8234F #4FA823

tetradic

#234FA8 #A82392 #A87C23 #23A839

square

#234FA8 #A82392 #A87C23 #23A839

split-complementary

#234FA8 #A83923 #92A823

monochromatic

#0E1F43 #183775 #234FA8 #3469D5 #668EDF

Accessibility & contrast

On white

7.62

#234FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#234FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234FA8

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234FA8	#FFFFFF	#000000	##FFFFFF
##234FA8	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5AAB

Deuteranopia (green-blind)

#004EA6

Tritanopia (blue-blind)

#006574

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #234fa8;
/* rgb */ color: rgb(35, 79, 168);
/* oklch */ color: oklch(45.1% 0.152 262.3);

Tailwind

colors: {
  custom: {
    50: '#737fc2',
    500: '#234fa8',
    950: '#000000',
  },
}

SCSS

$custom: #234fa8;
$custom-light: #737fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#234fa8",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 168
  },
  "hsl": {
    "h": 220.15,
    "s": 65.517,
    "l": 39.804
  },
  "oklch": {
    "l": 0.45062,
    "c": 0.15161,
    "h": 262.3
  },
  "luminance": 0.08776
}

Semantic roles & 50–950 ramp

primary

#234FA8

secondary

#C5A462

accent

#B13FE8

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #234FA8

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

Preview Lab → · Contrast checker → · Palette generator →