#123B75#123B75

#123B75 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.0% C 0.109 H 258.0°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#123B75
RGB	rgb(18, 59, 117)
HSL	hsl(215, 73%, 26%)
HSV	hsv(215, 85%, 46%)
CMYK	cmyk(84.6%, 49.6%, 0%, 54.1%)
CIE-LAB	lab(25.38, 9.26, -37.26)
CIE-LCH	lch(25.38, 38.40, 283.96°)
OKLab	oklab(35.96% -0.0227 -0.1071)
OKLCH	oklch(35.96% 0.109 258)
XYZ	xyz(5.0231, 4.5403, 17.4378)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B75 #754C12

analogous

#126D75 #123B75 #1B1275

triadic

#123B75 #75123B #3B7512

tetradic

#123B75 #75126D #754C12 #12751B

square

#123B75 #75126D #754C12 #12751B

split-complementary

#123B75 #751B12 #6D7512

monochromatic

#040D1B #0A2040 #123B75 #1A56AA #2471DD

Accessibility & contrast

On white

11.01

#123B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#123B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B75

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B75	#FFFFFF	#000000	##FFFFFF
##123B75	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4177

Deuteranopia (green-blind)

#003874

Tritanopia (blue-blind)

#004952

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #123b75;
/* rgb */ color: rgb(18, 59, 117);
/* oklch */ color: oklch(36.0% 0.109 258.0);

Tailwind

colors: {
  custom: {
    50: '#62709d',
    500: '#123b75',
    950: '#000000',
  },
}

SCSS

$custom: #123b75;
$custom-light: #62709d;
$custom-dark: #000000;

JSON

{
  "hex": "#123b75",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 117
  },
  "hsl": {
    "h": 215.152,
    "s": 73.333,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35955,
    "c": 0.10948,
    "h": 258
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#123B75

secondary

#AC7B37

accent

#A438F0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123B75

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

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