#1D5CAA#1D5CAA

#1D5CAA is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.9% C 0.140 H 256.1°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#1D5CAA
RGB	rgb(29, 92, 170)
HSL	hsl(213, 71%, 39%)
HSV	hsv(213, 83%, 67%)
CMYK	cmyk(82.9%, 45.9%, 0%, 33.3%)
CIE-LAB	lab(39.27, 9.69, -47.35)
CIE-LCH	lch(39.27, 48.33, 281.57°)
OKLab	oklab(47.91% -0.0336 -0.1359)
OKLCH	oklch(47.91% 0.14 256.1)
XYZ	xyz(11.5868, 10.8164, 39.4995)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5CAA #AA6B1D

analogous

#1DA3AA #1D5CAA #241DAA

triadic

#1D5CAA #AA1D5C #5CAA1D

tetradic

#1D5CAA #AA1DA3 #AA6B1D #1DAA24

square

#1D5CAA #AA1DA3 #AA6B1D #1DAA24

split-complementary

#1D5CAA #AA241D #A3AA1D

monochromatic

#0B2341 #144076 #1D5CAA #2A79DB #5E9AE4

Accessibility & contrast

On white

6.64

#1D5CAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1D5CAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5CAA

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5CAA	#FFFFFF	#000000	##FFFFFF
##1D5CAA	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3263AD

Deuteranopia (green-blind)

#1057A8

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1d5caa;
/* rgb */ color: rgb(29, 92, 170);
/* oklch */ color: oklch(47.9% 0.140 256.1);

Tailwind

colors: {
  custom: {
    50: '#7189c4',
    500: '#1d5caa',
    950: '#000000',
  },
}

SCSS

$custom: #1d5caa;
$custom-light: #7189c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5caa",
  "rgb": {
    "r": 29,
    "g": 92,
    "b": 170
  },
  "hsl": {
    "h": 213.191,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47912,
    "c": 0.14003,
    "h": 256.1
  },
  "luminance": 0.10818
}

Semantic roles & 50–950 ramp

primary

#1D5CAA

secondary

#C8975B

accent

#9D3AEE

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1D5CAA

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

Preview Lab → · Contrast checker → · Palette generator →