#1D5CAC#1D5CAC

#1D5CAC is a mid, vivid cyan. Relative luminance 0.109; OKLCH L 48.1% C 0.143 H 256.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D5CAC
RGB	rgb(29, 92, 172)
HSL	hsl(214, 71%, 39%)
HSV	hsv(214, 83%, 67%)
CMYK	cmyk(83.1%, 46.5%, 0%, 32.5%)
CIE-LAB	lab(39.40, 10.48, -48.32)
CIE-LCH	lch(39.40, 49.45, 282.24°)
OKLab	oklab(48.05% -0.0332 -0.1388)
OKLCH	oklch(48.05% 0.143 256.5)
XYZ	xyz(11.7775, 10.8926, 40.5035)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5CAC #AC6D1D

analogous

#1DA4AC #1D5CAC #251DAC

triadic

#1D5CAC #AC1D5C #5CAC1D

tetradic

#1D5CAC #AC1DA4 #AC6D1D #1DAC25

square

#1D5CAC #AC1DA4 #AC6D1D #1DAC25

split-complementary

#1D5CAC #AC251D #A4AC1D

monochromatic

#0B2443 #144078 #1D5CAC #2B79DB #5F9AE4

Accessibility & contrast

On white

6.61

#1D5CAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1D5CAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5CAC

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5CAC	#FFFFFF	#000000	##FFFFFF
##1D5CAC	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3064AF

Deuteranopia (green-blind)

#0857AA

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1d5cac;
/* rgb */ color: rgb(29, 92, 172);
/* oklch */ color: oklch(48.1% 0.143 256.5);

Tailwind

colors: {
  custom: {
    50: '#7289c5',
    500: '#1d5cac',
    950: '#000000',
  },
}

SCSS

$custom: #1d5cac;
$custom-light: #7289c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5cac",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 172
  },
  "hsl": {
    "h": 213.566,
    "s": 71.144,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48054,
    "c": 0.14273,
    "h": 256.5
  },
  "luminance": 0.10894
}

Semantic roles & 50–950 ramp

primary

#1D5CAC

secondary

#C8995C

accent

#9F3AEE

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1D5CAC

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

Preview Lab → · Contrast checker → · Palette generator →