#12457F#12457F

#12457F is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.1% C 0.111 H 254.8°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#12457F
RGB	rgb(18, 69, 127)
HSL	hsl(212, 75%, 28%)
HSV	hsv(212, 86%, 50%)
CMYK	cmyk(85.8%, 45.7%, 0%, 50.2%)
CIE-LAB	lab(29.20, 6.52, -37.42)
CIE-LCH	lch(29.20, 37.98, 279.88°)
OKLab	oklab(39.13% -0.0292 -0.1073)
OKLCH	oklch(39.13% 0.111 254.8)
XYZ	xyz(6.2069, 5.9164, 20.8894)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12457F #7F4C12

analogous

#127B7F #12457F #16127F

triadic

#12457F #7F1245 #457F12

tetradic

#12457F #7F127B #7F4C12 #127F16

square

#12457F #7F127B #7F4C12 #127F16

split-complementary

#12457F #7F1612 #7B7F12

monochromatic

#040F1B #0A2849 #12457F #1A62B5 #2B80E1

Accessibility & contrast

On white

9.62

#12457F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#12457F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12457F

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12457F	#FFFFFF	#000000	##FFFFFF
##12457F	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274A81

Deuteranopia (green-blind)

#10407E

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #12457f;
/* rgb */ color: rgb(18, 69, 127);
/* oklch */ color: oklch(39.1% 0.111 254.8);

Tailwind

colors: {
  custom: {
    50: '#6578a4',
    500: '#12457f',
    950: '#000000',
  },
}

SCSS

$custom: #12457f;
$custom-light: #6578a4;
$custom-dark: #000000;

JSON

{
  "hex": "#12457f",
  "rgb": {
    "r": 18,
    "g": 69,
    "b": 127
  },
  "hsl": {
    "h": 211.927,
    "s": 75.172,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39128,
    "c": 0.11122,
    "h": 254.8
  },
  "luminance": 0.05917
}

Semantic roles & 50–950 ramp

primary

#12457F

secondary

#B57A38

accent

#9A36F2

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #12457F

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

Preview Lab → · Contrast checker → · Palette generator →