#1F456D#1F456D

#1F456D is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.4% C 0.081 H 251.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#1F456D
RGB	rgb(31, 69, 109)
HSL	hsl(211, 56%, 27%)
HSV	hsv(211, 72%, 43%)
CMYK	cmyk(71.6%, 36.7%, 0%, 57.3%)
CIE-LAB	lab(28.51, 0.96, -27.16)
CIE-LCH	lch(28.51, 27.17, 272.03°)
OKLab	oklab(38.35% -0.0254 -0.0771)
OKLCH	oklch(38.35% 0.081 251.8)
XYZ	xyz(5.4525, 5.6511, 15.2685)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F456D #6D471F

analogous

#1F6C6D #1F456D #201F6D

triadic

#1F456D #6D1F45 #456D1F

tetradic

#1F456D #6D1F6C #6D471F #1F6D20

square

#1F456D #6D1F6C #6D471F #1F6D20

split-complementary

#1F456D #6D201F #6C6D1F

monochromatic

#070F18 #11273D #1F456D #2D639D #3E81C8

Accessibility & contrast

On white

9.86

#1F456D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1F456D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F456D

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F456D	#FFFFFF	#000000	##FFFFFF
##1F456D	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33476F

Deuteranopia (green-blind)

#28406C

Tritanopia (blue-blind)

#004E54

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f456d;
/* rgb */ color: rgb(31, 69, 109);
/* oklch */ color: oklch(38.4% 0.081 251.8);

Tailwind

colors: {
  custom: {
    50: '#657897',
    500: '#1f456d',
    950: '#000000',
  },
}

SCSS

$custom: #1f456d;
$custom-light: #657897;
$custom-dark: #000000;

JSON

{
  "hex": "#1f456d",
  "rgb": {
    "r": 31,
    "g": 69,
    "b": 109
  },
  "hsl": {
    "h": 210.769,
    "s": 55.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.38353,
    "c": 0.08114,
    "h": 251.8
  },
  "luminance": 0.05652
}

Semantic roles & 50–950 ramp

primary

#1F456D

secondary

#A17547

accent

#9649DF

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #1F456D

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

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