#123A6E#123A6E

#123A6E is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.2% C 0.101 H 256.6°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#123A6E
RGB	rgb(18, 58, 110)
HSL	hsl(214, 72%, 25%)
HSV	hsv(214, 84%, 43%)
CMYK	cmyk(83.6%, 47.3%, 0%, 56.9%)
CIE-LAB	lab(24.58, 7.00, -34.10)
CIE-LCH	lch(24.58, 34.81, 281.59°)
OKLab	oklab(35.17% -0.0232 -0.0978)
OKLCH	oklch(35.17% 0.101 256.6)
XYZ	xyz(4.5759, 4.2800, 15.3338)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A6E #6E4612

analogous

#12686E #123A6E #18126E

triadic

#123A6E #6E123A #3A6E12

tetradic

#123A6E #6E1268 #6E4612 #126E18

square

#123A6E #6E1268 #6E4612 #126E18

split-complementary

#123A6E #6E1812 #686E12

monochromatic

#040E1A #091E39 #123A6E #1B56A3 #2371D7

Accessibility & contrast

On white

11.31

#123A6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#123A6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A6E

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A6E	#FFFFFF	#000000	##FFFFFF
##123A6E	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3F70

Deuteranopia (green-blind)

#0A366D

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123a6e;
/* rgb */ color: rgb(18, 58, 110);
/* oklch */ color: oklch(35.2% 0.101 256.6);

Tailwind

colors: {
  custom: {
    50: '#606f98',
    500: '#123a6e',
    950: '#000000',
  },
}

SCSS

$custom: #123a6e;
$custom-light: #606f98;
$custom-dark: #000000;

JSON

{
  "hex": "#123a6e",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 110
  },
  "hsl": {
    "h": 213.913,
    "s": 71.875,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35175,
    "c": 0.10053,
    "h": 256.6
  },
  "luminance": 0.0428
}

Semantic roles & 50–950 ramp

primary

#123A6E

secondary

#A57537

accent

#A039EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #123A6E

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

Preview Lab → · Contrast checker → · Palette generator →