#1B5985#1B5985

#1B5985 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.7% C 0.095 H 244.2°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#1B5985
RGB	rgb(27, 89, 133)
HSL	hsl(205, 66%, 31%)
HSV	hsv(205, 80%, 52%)
CMYK	cmyk(79.7%, 33.1%, 0%, 47.8%)
CIE-LAB	lab(36.12, -3.21, -30.11)
CIE-LCH	lch(36.12, 30.28, 263.91°)
OKLab	oklab(44.73% -0.0414 -0.0854)
OKLCH	oklch(44.73% 0.095 244.2)
XYZ	xyz(8.2564, 9.0702, 23.5013)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5985 #85471B

analogous

#1B857C #1B5985 #1B2485

triadic

#1B5985 #851B59 #59851B

tetradic

#1B5985 #7C1B85 #85471B #24851B

square

#1B5985 #7C1B85 #85471B #24851B

split-complementary

#1B5985 #851B24 #857C1B

monochromatic

#06151F #113752 #1B5985 #257BB8 #429AD9

Accessibility & contrast

On white

7.46

#1B5985 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#1B5985 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5985

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5985	#FFFFFF	#000000	##FFFFFF
##1B5985	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455A87

Deuteranopia (green-blind)

#365184

Tritanopia (blue-blind)

#006469

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1b5985;
/* rgb */ color: rgb(27, 89, 133);
/* oklch */ color: oklch(44.7% 0.095 244.2);

Tailwind

colors: {
  custom: {
    50: '#6987a8',
    500: '#1b5985',
    950: '#000000',
  },
}

SCSS

$custom: #1b5985;
$custom-light: #6987a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5985",
  "rgb": {
    "r": 27,
    "g": 89,
    "b": 133
  },
  "hsl": {
    "h": 204.906,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.44729,
    "c": 0.09493,
    "h": 244.2
  },
  "luminance": 0.09071
}

Semantic roles & 50–950 ramp

primary

#1B5985

secondary

#B87444

accent

#853FE9

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #1B5985

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

Preview Lab → · Contrast checker → · Palette generator →