#1D5189#1D5189

#1D5189 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.108 H 253.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D5189
RGB	rgb(29, 81, 137)
HSL	hsl(211, 65%, 33%)
HSV	hsv(211, 79%, 54%)
CMYK	cmyk(78.8%, 40.9%, 0%, 46.3%)
CIE-LAB	lab(33.88, 3.78, -36.10)
CIE-LCH	lch(33.88, 36.30, 275.97°)
OKLab	oklab(43.06% -0.0314 -0.1031)
OKLCH	oklch(43.06% 0.108 253.1)
XYZ	xyz(7.9628, 7.9513, 24.7771)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5189 #89551D

analogous

#1D8789 #1D5189 #1F1D89

triadic

#1D5189 #891D51 #51891D

tetradic

#1D5189 #891D87 #89551D #1D891F

square

#1D5189 #891D87 #89551D #1D891F

split-complementary

#1D5189 #891F1D #87891D

monochromatic

#081524 #123356 #1D5189 #286FBC #488ED8

Accessibility & contrast

On white

8.11

#1D5189 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1D5189 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5189

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5189	#FFFFFF	#000000	##FFFFFF
##1D5189	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36558B

Deuteranopia (green-blind)

#254B88

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d5189;
/* rgb */ color: rgb(29, 81, 137);
/* oklch */ color: oklch(43.1% 0.108 253.1);

Tailwind

colors: {
  custom: {
    50: '#6a81ac',
    500: '#1d5189',
    950: '#000000',
  },
}

SCSS

$custom: #1d5189;
$custom-light: #6a81ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5189",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 137
  },
  "hsl": {
    "h": 211.111,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43061,
    "c": 0.10776,
    "h": 253.1
  },
  "luminance": 0.07952
}

Semantic roles & 50–950 ramp

primary

#1D5189

secondary

#BA8347

accent

#9740E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D5189

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

Preview Lab → · Contrast checker → · Palette generator →