#12597E#12597E

#12597E is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.1% C 0.089 H 237.7°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#12597E
RGB	rgb(18, 89, 126)
HSL	hsl(201, 75%, 28%)
HSV	hsv(201, 86%, 49%)
CMYK	cmyk(85.7%, 29.4%, 0%, 50.6%)
CIE-LAB	lab(35.55, -6.94, -26.72)
CIE-LCH	lch(35.55, 27.61, 255.44°)
OKLab	oklab(44.11% -0.0478 -0.0756)
OKLCH	oklch(44.11% 0.09 237.7)
XYZ	xyz(7.5862, 8.7788, 21.0293)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12597E #7E3712

analogous

#127E6D #12597E #12237E

triadic

#12597E #7E1259 #597E12

tetradic

#12597E #6D127E #7E3712 #237E12

square

#12597E #6D127E #7E3712 #237E12

split-complementary

#12597E #7E1223 #7E6D12

monochromatic

#04131B #0A3348 #12597E #1A7FB4 #2AA2E1

Accessibility & contrast

On white

7.62

#12597E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#12597E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12597E

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12597E	#FFFFFF	#000000	##FFFFFF
##12597E	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475980

Deuteranopia (green-blind)

#394F7D

Tritanopia (blue-blind)

#006266

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #12597e;
/* rgb */ color: rgb(18, 89, 126);
/* oklch */ color: oklch(44.1% 0.089 237.7);

Tailwind

colors: {
  custom: {
    50: '#6587a3',
    500: '#12597e',
    950: '#000000',
  },
}

SCSS

$custom: #12597e;
$custom-light: #6587a3;
$custom-dark: #000000;

JSON

{
  "hex": "#12597e",
  "rgb": {
    "r": 18,
    "g": 89,
    "b": 126
  },
  "hsl": {
    "h": 200.556,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.44105,
    "c": 0.0895,
    "h": 237.7
  },
  "luminance": 0.0878
}

Semantic roles & 50–950 ramp

primary

#12597E

secondary

#B46238

accent

#7636F2

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#060B0F

muted

#7A7C7F

Preview Lab

Preview with #12597E

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

Preview Lab → · Contrast checker → · Palette generator →