#1D5DA0#1D5DA0

#1D5DA0 is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.5% C 0.125 H 253.0°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D5DA0
RGB	rgb(29, 93, 160)
HSL	hsl(211, 69%, 37%)
HSV	hsv(211, 82%, 63%)
CMYK	cmyk(81.9%, 41.9%, 0%, 37.3%)
CIE-LAB	lab(38.94, 5.08, -41.92)
CIE-LCH	lch(38.94, 42.23, 276.90°)
OKLab	oklab(47.46% -0.0366 -0.12)
OKLCH	oklch(47.46% 0.125 253)
XYZ	xyz(10.7638, 10.6267, 34.7347)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5DA0 #A0601D

analogous

#1D9FA0 #1D5DA0 #1F1DA0

triadic

#1D5DA0 #A01D5D #5DA01D

tetradic

#1D5DA0 #A01D9F #A0601D #1DA01F

square

#1D5DA0 #A01D9F #A0601D #1DA01F

split-complementary

#1D5DA0 #A01F1D #9FA01D

monochromatic

#0A2138 #143F6C #1D5DA0 #267BD4 #579AE1

Accessibility & contrast

On white

6.72

#1D5DA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#1D5DA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5DA0

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5DA0	#FFFFFF	#000000	##FFFFFF
##1D5DA0	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C62A3

Deuteranopia (green-blind)

#25569F

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1d5da0;
/* rgb */ color: rgb(29, 93, 160);
/* oklch */ color: oklch(47.5% 0.125 253.0);

Tailwind

colors: {
  custom: {
    50: '#6f8abc',
    500: '#1d5da0',
    950: '#000000',
  },
}

SCSS

$custom: #1d5da0;
$custom-light: #6f8abc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5da0",
  "rgb": {
    "r": 29,
    "g": 93,
    "b": 160
  },
  "hsl": {
    "h": 210.687,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.47459,
    "c": 0.12542,
    "h": 253
  },
  "luminance": 0.10628
}

Semantic roles & 50–950 ramp

primary

#1D5DA0

secondary

#C48E55

accent

#963CEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5DA0

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

Preview Lab → · Contrast checker → · Palette generator →