#233B61#233B61

#233B61 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.073 H 259.2°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#233B61
RGB	rgb(35, 59, 97)
HSL	hsl(217, 47%, 26%)
HSV	hsv(217, 64%, 38%)
CMYK	cmyk(63.9%, 39.2%, 0%, 62%)
CIE-LAB	lab(24.79, 3.90, -25.33)
CIE-LCH	lch(24.79, 25.63, 278.76°)
OKLab	oklab(35.27% -0.0136 -0.0718)
OKLCH	oklch(35.27% 0.073 259.2)
XYZ	xyz(4.4140, 4.3479, 11.9136)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B61 #614923

analogous

#235A61 #233B61 #2A2361

triadic

#233B61 #61233B #3B6123

tetradic

#233B61 #61235A #614923 #23612A

square

#233B61 #61235A #614923 #23612A

split-complementary

#233B61 #612A23 #5A6123

monochromatic

#080E16 #132034 #233B61 #33568E #4372BB

Accessibility & contrast

On white

11.23

#233B61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#233B61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B61

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B61	#FFFFFF	#000000	##FFFFFF
##233B61	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3E63

Deuteranopia (green-blind)

#233860

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233b61;
/* rgb */ color: rgb(35, 59, 97);
/* oklch */ color: oklch(35.3% 0.073 259.2);

Tailwind

colors: {
  custom: {
    50: '#64708e',
    500: '#233b61',
    950: '#000000',
  },
}

SCSS

$custom: #233b61;
$custom-light: #64708e;
$custom-dark: #000000;

JSON

{
  "hex": "#233b61",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 97
  },
  "hsl": {
    "h": 216.774,
    "s": 46.97,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35272,
    "c": 0.07308,
    "h": 259.2
  },
  "luminance": 0.04348
}

Semantic roles & 50–950 ramp

primary

#233B61

secondary

#95784B

accent

#A351D7

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233B61

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

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