#233A61#233A61

#233A61 is a dark, moderate blue. Relative luminance 0.042; OKLCH L 35.0% C 0.074 H 260.4°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#233A61
RGB	rgb(35, 58, 97)
HSL	hsl(218, 47%, 26%)
HSV	hsv(218, 64%, 38%)
CMYK	cmyk(63.9%, 40.2%, 0%, 62%)
CIE-LAB	lab(24.47, 4.59, -25.84)
CIE-LCH	lch(24.47, 26.24, 280.08°)
OKLab	oklab(35.02% -0.0124 -0.0733)
OKLCH	oklch(35.02% 0.074 260.4)
XYZ	xyz(4.3631, 4.2461, 11.8966)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A61 #614A23

analogous

#235961 #233A61 #2B2361

triadic

#233A61 #61233A #3A6123

tetradic

#233A61 #612359 #614A23 #23612B

square

#233A61 #612359 #614A23 #23612B

split-complementary

#233A61 #612B23 #596123

monochromatic

#080D16 #131F34 #233A61 #33558E #4370BB

Accessibility & contrast

On white

11.36

#233A61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#233A61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A61

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A61	#FFFFFF	#000000	##FFFFFF
##233A61	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293D63

Deuteranopia (green-blind)

#213760

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #233a61;
/* rgb */ color: rgb(35, 58, 97);
/* oklch */ color: oklch(35.0% 0.074 260.4);

Tailwind

colors: {
  custom: {
    50: '#646f8e',
    500: '#233a61',
    950: '#000000',
  },
}

SCSS

$custom: #233a61;
$custom-light: #646f8e;
$custom-dark: #000000;

JSON

{
  "hex": "#233a61",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 97
  },
  "hsl": {
    "h": 217.742,
    "s": 46.97,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35023,
    "c": 0.07433,
    "h": 260.4
  },
  "luminance": 0.04247
}

Semantic roles & 50–950 ramp

primary

#233A61

secondary

#95794B

accent

#A551D7

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233A61

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

Preview Lab → · Contrast checker → · Palette generator →