#1B4262#1B4262

#1B4262 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.7% C 0.071 H 246.2°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#1B4262
RGB	rgb(27, 66, 98)
HSL	hsl(207, 57%, 25%)
HSV	hsv(207, 72%, 38%)
CMYK	cmyk(72.4%, 32.7%, 0%, 61.6%)
CIE-LAB	lab(26.77, -2.07, -22.89)
CIE-LCH	lch(26.77, 22.98, 264.83°)
OKLab	oklab(36.74% -0.0286 -0.0647)
OKLCH	oklch(36.74% 0.071 246.2)
XYZ	xyz(4.6040, 5.0108, 12.2774)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4262 #623B1B

analogous

#1B625F #1B4262 #1B1F62

triadic

#1B4262 #621B42 #42621B

tetradic

#1B4262 #5F1B62 #623B1B #1F621B

square

#1B4262 #5F1B62 #623B1B #1F621B

split-complementary

#1B4262 #621B1F #625F1B

monochromatic

#071018 #0E2232 #1B4262 #286292 #3583C2

Accessibility & contrast

On white

10.49

#1B4262 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1B4262 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4262

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4262	#FFFFFF	#000000	##FFFFFF
##1B4262	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344363

Deuteranopia (green-blind)

#2A3C61

Tritanopia (blue-blind)

#004A4D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1b4262;
/* rgb */ color: rgb(27, 66, 98);
/* oklch */ color: oklch(36.7% 0.071 246.2);

Tailwind

colors: {
  custom: {
    50: '#61768f',
    500: '#1b4262',
    950: '#000000',
  },
}

SCSS

$custom: #1b4262;
$custom-light: #61768f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4262",
  "rgb": {
    "r": 27,
    "g": 66,
    "b": 98
  },
  "hsl": {
    "h": 207.042,
    "s": 56.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36735,
    "c": 0.07075,
    "h": 246.2
  },
  "luminance": 0.05011
}

Semantic roles & 50–950 ramp

primary

#1B4262

secondary

#986841

accent

#8C48E0

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1B4262

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

Preview Lab → · Contrast checker → · Palette generator →