#1D5EAA#1D5EAA

#1D5EAA is a mid, vivid cyan. Relative luminance 0.112; OKLCH L 48.4% C 0.138 H 255.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D5EAA
RGB	rgb(29, 94, 170)
HSL	hsl(212, 71%, 39%)
HSV	hsv(212, 83%, 67%)
CMYK	cmyk(82.9%, 44.7%, 0%, 33.3%)
CIE-LAB	lab(39.86, 8.39, -46.40)
CIE-LCH	lch(39.86, 47.15, 280.25°)
OKLab	oklab(48.37% -0.0352 -0.1331)
OKLCH	oklch(48.37% 0.138 255.2)
XYZ	xyz(11.7624, 11.1674, 39.5580)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5EAA #AA691D

analogous

#1DA5AA #1D5EAA #221DAA

triadic

#1D5EAA #AA1D5E #5EAA1D

tetradic

#1D5EAA #AA1DA5 #AA691D #1DAA22

square

#1D5EAA #AA1DA5 #AA691D #1DAA22

split-complementary

#1D5EAA #AA221D #A5AA1D

monochromatic

#0B2441 #144176 #1D5EAA #2A7BDB #5E9BE4

Accessibility & contrast

On white

6.49

#1D5EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1D5EAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5EAA

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5EAA	#FFFFFF	#000000	##FFFFFF
##1D5EAA	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3665AD

Deuteranopia (green-blind)

#1858A8

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1d5eaa;
/* rgb */ color: rgb(29, 94, 170);
/* oklch */ color: oklch(48.4% 0.138 255.2);

Tailwind

colors: {
  custom: {
    50: '#718bc4',
    500: '#1d5eaa',
    950: '#000000',
  },
}

SCSS

$custom: #1d5eaa;
$custom-light: #718bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5eaa",
  "rgb": {
    "r": 29,
    "g": 94,
    "b": 170
  },
  "hsl": {
    "h": 212.34,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48371,
    "c": 0.13767,
    "h": 255.2
  },
  "luminance": 0.11169
}

Semantic roles & 50–950 ramp

primary

#1D5EAA

secondary

#C8965B

accent

#9B3AEE

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1D5EAA

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

Preview Lab → · Contrast checker → · Palette generator →