#233B7E#233B7E

#233B7E is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.4% C 0.117 H 266.0°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#233B7E
RGB	rgb(35, 59, 126)
HSL	hsl(224, 57%, 32%)
HSV	hsv(224, 72%, 49%)
CMYK	cmyk(72.2%, 53.2%, 0%, 50.6%)
CIE-LAB	lab(26.71, 15.23, -40.77)
CIE-LCH	lch(26.71, 43.52, 290.49°)
OKLab	oklab(37.36% -0.0081 -0.1171)
OKLCH	oklch(37.36% 0.117 266)
XYZ	xyz(6.0217, 4.9910, 20.3806)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B7E #7E6623

analogous

#23697E #233B7E #39237E

triadic

#233B7E #7E233B #3B7E23

tetradic

#233B7E #7E2369 #7E6623 #237E39

square

#233B7E #7E2369 #7E6623 #237E39

split-complementary

#233B7E #7E3923 #697E23

monochromatic

#080E1E #16254E #233B7E #3051AE #4E6FCE

Accessibility & contrast

On white

10.51

#233B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#233B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B7E

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B7E	#FFFFFF	#000000	##FFFFFF
##233B7E	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124480

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233b7e;
/* rgb */ color: rgb(35, 59, 126);
/* oklch */ color: oklch(37.4% 0.117 266.0);

Tailwind

colors: {
  custom: {
    50: '#6a70a4',
    500: '#233b7e',
    950: '#000000',
  },
}

SCSS

$custom: #233b7e;
$custom-light: #6a70a4;
$custom-dark: #000000;

JSON

{
  "hex": "#233b7e",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 126
  },
  "hsl": {
    "h": 224.176,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37365,
    "c": 0.11741,
    "h": 266
  },
  "luminance": 0.04992
}

Semantic roles & 50–950 ramp

primary

#233B7E

secondary

#B0964C

accent

#B848E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #233B7E

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

Preview Lab → · Contrast checker → · Palette generator →