#1F587E#1F587E

#1F587E is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.2% C 0.086 H 241.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F587E
RGB	rgb(31, 88, 126)
HSL	hsl(204, 61%, 31%)
HSV	hsv(204, 75%, 49%)
CMYK	cmyk(75.4%, 30.2%, 0%, 50.6%)
CIE-LAB	lab(35.55, -4.74, -26.70)
CIE-LCH	lch(35.55, 27.12, 259.94°)
OKLab	oklab(44.19% -0.0404 -0.0755)
OKLCH	oklch(44.19% 0.086 241.8)
XYZ	xyz(7.8192, 8.7762, 21.0165)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F587E #7E451F

analogous

#1F7E74 #1F587E #1F287E

triadic

#1F587E #7E1F58 #587E1F

tetradic

#1F587E #741F7E #7E451F #287E1F

square

#1F587E #741F7E #7E451F #287E1F

split-complementary

#1F587E #7E1F28 #7E741F

monochromatic

#07131C #13364D #1F587E #2B7AAF #469AD1

Accessibility & contrast

On white

7.62

#1F587E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1F587E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F587E

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F587E	#FFFFFF	#000000	##FFFFFF
##1F587E	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)

#465980

Deuteranopia (green-blind)

#39507D

Tritanopia (blue-blind)

#006165

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1f587e;
/* rgb */ color: rgb(31, 88, 126);
/* oklch */ color: oklch(44.2% 0.086 241.8);

Tailwind

colors: {
  custom: {
    50: '#6887a3',
    500: '#1f587e',
    950: '#000000',
  },
}

SCSS

$custom: #1f587e;
$custom-light: #6887a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f587e",
  "rgb": {
    "r": 31,
    "g": 88,
    "b": 126
  },
  "hsl": {
    "h": 204,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.44192,
    "c": 0.08564,
    "h": 241.8
  },
  "luminance": 0.08777
}

Semantic roles & 50–950 ramp

primary

#1F587E

secondary

#B17248

accent

#8444E4

background

#F6F8FA

surface

#EBEFF4

border

#C6CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1F587E

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

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