#123A74#123A74

#123A74 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.109 H 258.3°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#123A74
RGB	rgb(18, 58, 116)
HSL	hsl(216, 73%, 26%)
HSV	hsv(216, 84%, 45%)
CMYK	cmyk(84.5%, 50%, 0%, 54.5%)
CIE-LAB	lab(25.00, 9.54, -37.24)
CIE-LCH	lch(25.00, 38.45, 284.37°)
OKLab	oklab(35.64% -0.0221 -0.1071)
OKLCH	oklch(35.64% 0.109 258.3)
XYZ	xyz(4.9137, 4.4151, 17.1128)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A74 #744C12

analogous

#126B74 #123A74 #1B1274

triadic

#123A74 #74123A #3A7412

tetradic

#123A74 #74126B #744C12 #12741B

square

#123A74 #74126B #744C12 #12741B

split-complementary

#123A74 #741B12 #6B7412

monochromatic

#040D1A #0A203F #123A74 #1A54A9 #236FDD

Accessibility & contrast

On white

11.15

#123A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#123A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A74

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A74	#FFFFFF	#000000	##FFFFFF
##123A74	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194076

Deuteranopia (green-blind)

#003773

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #123a74;
/* rgb */ color: rgb(18, 58, 116);
/* oklch */ color: oklch(35.6% 0.109 258.3);

Tailwind

colors: {
  custom: {
    50: '#626f9c',
    500: '#123a74',
    950: '#000000',
  },
}

SCSS

$custom: #123a74;
$custom-light: #626f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#123a74",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 116
  },
  "hsl": {
    "h": 215.51,
    "s": 73.134,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35636,
    "c": 0.10932,
    "h": 258.3
  },
  "luminance": 0.04416
}

Semantic roles & 50–950 ramp

primary

#123A74

secondary

#AB7C37

accent

#A538F0

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #123A74

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

Preview Lab → · Contrast checker → · Palette generator →