#1B385E#1B385E

#1B385E is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.076 H 256.0°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B385E
RGB	rgb(27, 56, 94)
HSL	hsl(214, 55%, 24%)
HSV	hsv(214, 71%, 37%)
CMYK	cmyk(71.3%, 40.4%, 0%, 63.1%)
CIE-LAB	lab(23.23, 3.13, -25.87)
CIE-LCH	lch(23.23, 26.06, 276.91°)
OKLab	oklab(33.89% -0.0184 -0.0735)
OKLCH	oklch(33.89% 0.076 256)
XYZ	xyz(3.8858, 3.8691, 11.1295)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B385E #5E411B

analogous

#1B595E #1B385E #1F1B5E

triadic

#1B385E #5E1B38 #385E1B

tetradic

#1B385E #5E1B59 #5E411B #1B5E1F

square

#1B385E #5E1B59 #5E411B #1B5E1F

split-complementary

#1B385E #5E1F1B #595E1B

monochromatic

#070E18 #0D1C2E #1B385E #29548E #3671BD

Accessibility & contrast

On white

11.84

#1B385E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1B385E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B385E

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B385E	#FFFFFF	#000000	##FFFFFF
##1B385E	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273B60

Deuteranopia (green-blind)

#1D355D

Tritanopia (blue-blind)

#004146

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b385e;
/* rgb */ color: rgb(27, 56, 94);
/* oklch */ color: oklch(33.9% 0.076 256.0);

Tailwind

colors: {
  custom: {
    50: '#606e8c',
    500: '#1b385e',
    950: '#000000',
  },
}

SCSS

$custom: #1b385e;
$custom-light: #606e8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b385e",
  "rgb": {
    "r": 27,
    "g": 56,
    "b": 94
  },
  "hsl": {
    "h": 214.03,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33892,
    "c": 0.0758,
    "h": 256
  },
  "luminance": 0.0387
}

Semantic roles & 50–950 ramp

primary

#1B385E

secondary

#947041

accent

#9E49DF

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1B385E

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

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