#233A7E#233A7E

#233A7E is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.1% C 0.119 H 266.5°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#233A7E
RGB	rgb(35, 58, 126)
HSL	hsl(225, 57%, 32%)
HSV	hsv(225, 72%, 49%)
CMYK	cmyk(72.2%, 54%, 0%, 50.6%)
CIE-LAB	lab(26.42, 15.93, -41.24)
CIE-LCH	lch(26.42, 44.21, 291.12°)
OKLab	oklab(37.14% -0.0072 -0.1185)
OKLCH	oklch(37.14% 0.119 266.5)
XYZ	xyz(5.9708, 4.8892, 20.3637)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A7E #7E6723

analogous

#23687E #233A7E #3A237E

triadic

#233A7E #7E233A #3A7E23

tetradic

#233A7E #7E2368 #7E6723 #237E3A

square

#233A7E #7E2368 #7E6723 #237E3A

split-complementary

#233A7E #7E3A23 #687E23

monochromatic

#080E1E #16244E #233A7E #3050AE #4E6ECE

Accessibility & contrast

On white

10.62

#233A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#233A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A7E

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A7E	#FFFFFF	#000000	##FFFFFF
##233A7E	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4380

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233a7e;
/* rgb */ color: rgb(35, 58, 126);
/* oklch */ color: oklch(37.1% 0.119 266.5);

Tailwind

colors: {
  custom: {
    50: '#6a6fa4',
    500: '#233a7e',
    950: '#000000',
  },
}

SCSS

$custom: #233a7e;
$custom-light: #6a6fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#233a7e",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 126
  },
  "hsl": {
    "h": 224.835,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37144,
    "c": 0.11876,
    "h": 266.5
  },
  "luminance": 0.0489
}

Semantic roles & 50–950 ramp

primary

#233A7E

secondary

#B0974C

accent

#B948E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #233A7E

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

Preview Lab → · Contrast checker → · Palette generator →