#234EA5#234EA5

#234EA5 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.149 H 262.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#234EA5
RGB	rgb(35, 78, 165)
HSL	hsl(220, 65%, 39%)
HSV	hsv(220, 79%, 65%)
CMYK	cmyk(78.8%, 52.7%, 0%, 35.3%)
CIE-LAB	lab(35.05, 17.63, -51.17)
CIE-LCH	lch(35.05, 54.12, 289.01°)
OKLab	oklab(44.61% -0.0198 -0.1474)
OKLCH	oklch(44.61% 0.149 262.3)
XYZ	xyz(10.2066, 8.5215, 36.6969)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234EA5 #A57A23

analogous

#238FA5 #234EA5 #3923A5

triadic

#234EA5 #A5234E #4EA523

tetradic

#234EA5 #A5238F #A57A23 #23A539

square

#234EA5 #A5238F #A57A23 #23A539

split-complementary

#234EA5 #A53923 #8FA523

monochromatic

#0E1E40 #183673 #234EA5 #3267D3 #648DDE

Accessibility & contrast

On white

7.76

#234EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#234EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234EA5

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234EA5	#FFFFFF	#000000	##FFFFFF
##234EA5	1.00	7.76	2.70	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1159A8

Deuteranopia (green-blind)

#004DA3

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #234ea5;
/* rgb */ color: rgb(35, 78, 165);
/* oklch */ color: oklch(44.6% 0.149 262.3);

Tailwind

colors: {
  custom: {
    50: '#737fc0',
    500: '#234ea5',
    950: '#000000',
  },
}

SCSS

$custom: #234ea5;
$custom-light: #737fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#234ea5",
  "rgb": {
    "r": 35,
    "g": 78,
    "b": 165
  },
  "hsl": {
    "h": 220.154,
    "s": 65,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44611,
    "c": 0.14872,
    "h": 262.3
  },
  "luminance": 0.08523
}

Semantic roles & 50–950 ramp

primary

#234EA5

secondary

#C4A360

accent

#B040E8

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #234EA5

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

Preview Lab → · Contrast checker → · Palette generator →