#1B425E#1B425E

#1B425E is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.5% C 0.065 H 242.7°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#1B425E
RGB	rgb(27, 66, 94)
HSL	hsl(205, 55%, 24%)
HSV	hsv(205, 71%, 37%)
CMYK	cmyk(71.3%, 29.8%, 0%, 63.1%)
CIE-LAB	lab(26.55, -3.63, -20.64)
CIE-LCH	lch(26.55, 20.95, 260.04°)
OKLab	oklab(36.5% -0.03 -0.0582)
OKLCH	oklch(36.5% 0.065 242.7)
XYZ	xyz(4.4198, 4.9371, 11.3075)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B425E #5E371B

analogous

#1B5E58 #1B425E #1B205E

triadic

#1B425E #5E1B42 #425E1B

tetradic

#1B425E #581B5E #5E371B #205E1B

square

#1B425E #581B5E #5E371B #205E1B

split-complementary

#1B425E #5E1B20 #5E581B

monochromatic

#071118 #0D212E #1B425E #29638E #3685BD

Accessibility & contrast

On white

10.57

#1B425E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1B425E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B425E

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B425E	#FFFFFF	#000000	##FFFFFF
##1B425E	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35425F

Deuteranopia (green-blind)

#2C3C5D

Tritanopia (blue-blind)

#00494C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1b425e;
/* rgb */ color: rgb(27, 66, 94);
/* oklch */ color: oklch(36.5% 0.065 242.7);

Tailwind

colors: {
  custom: {
    50: '#60768b',
    500: '#1b425e',
    950: '#000000',
  },
}

SCSS

$custom: #1b425e;
$custom-light: #60768b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b425e",
  "rgb": {
    "r": 27,
    "g": 66,
    "b": 94
  },
  "hsl": {
    "h": 205.075,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.365,
    "c": 0.06546,
    "h": 242.7
  },
  "luminance": 0.04938
}

Semantic roles & 50–950 ramp

primary

#1B425E

secondary

#946441

accent

#8849DF

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1B425E

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

Preview Lab → · Contrast checker → · Palette generator →