#233A7A#233A7A

#233A7A is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.8% C 0.113 H 266.1°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#233A7A
RGB	rgb(35, 58, 122)
HSL	hsl(224, 55%, 31%)
HSV	hsv(224, 71%, 48%)
CMYK	cmyk(71.3%, 52.5%, 0%, 52.2%)
CIE-LAB	lab(26.12, 14.35, -39.20)
CIE-LCH	lch(26.12, 41.74, 290.11°)
OKLab	oklab(36.83% -0.0076 -0.1125)
OKLCH	oklch(36.83% 0.113 266.1)
XYZ	xyz(5.7178, 4.7880, 19.0314)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A7A #7A6323

analogous

#23657A #233A7A #37237A

triadic

#233A7A #7A233A #3A7A23

tetradic

#233A7A #7A2365 #7A6323 #237A37

square

#233A7A #7A2365 #7A6323 #237A37

split-complementary

#233A7A #7A3723 #657A23

monochromatic

#080D1B #15234A #233A7A #3151AA #4C6ECC

Accessibility & contrast

On white

10.73

#233A7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#233A7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A7A

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A7A	#FFFFFF	#000000	##FFFFFF
##233A7A	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14427C

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233a7a;
/* rgb */ color: rgb(35, 58, 122);
/* oklch */ color: oklch(36.8% 0.113 266.1);

Tailwind

colors: {
  custom: {
    50: '#696fa1',
    500: '#233a7a',
    950: '#000000',
  },
}

SCSS

$custom: #233a7a;
$custom-light: #696fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#233a7a",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 122
  },
  "hsl": {
    "h": 224.138,
    "s": 55.414,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36826,
    "c": 0.11278,
    "h": 266.1
  },
  "luminance": 0.04789
}

Semantic roles & 50–950 ramp

primary

#233A7A

secondary

#AD934C

accent

#B749DF

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #233A7A

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

Preview Lab → · Contrast checker → · Palette generator →