#1F5DA8#1F5DA8

#1F5DA8 is a mid, vivid cyan. Relative luminance 0.109; OKLCH L 48.1% C 0.136 H 255.6°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F5DA8
RGB	rgb(31, 93, 168)
HSL	hsl(213, 69%, 39%)
HSV	hsv(213, 82%, 66%)
CMYK	cmyk(81.5%, 44.6%, 0%, 34.1%)
CIE-LAB	lab(39.49, 8.44, -45.81)
CIE-LCH	lch(39.49, 46.58, 280.44°)
OKLab	oklab(48.06% -0.0338 -0.1313)
OKLCH	oklch(48.06% 0.136 255.6)
XYZ	xyz(11.5447, 10.9458, 38.5425)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5DA8 #A86A1F

analogous

#1FA2A8 #1F5DA8 #261FA8

triadic

#1F5DA8 #A81F5D #5DA81F

tetradic

#1F5DA8 #A81FA2 #A86A1F #1FA826

square

#1F5DA8 #A81FA2 #A86A1F #1FA826

split-complementary

#1F5DA8 #A8261F #A2A81F

monochromatic

#0C2441 #154074 #1F5DA8 #2C7AD8 #609BE2

Accessibility & contrast

On white

6.58

#1F5DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#1F5DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5DA8

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5DA8	#FFFFFF	#000000	##FFFFFF
##1F5DA8	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3664AB

Deuteranopia (green-blind)

#1957A7

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1f5da8;
/* rgb */ color: rgb(31, 93, 168);
/* oklch */ color: oklch(48.1% 0.136 255.6);

Tailwind

colors: {
  custom: {
    50: '#718ac2',
    500: '#1f5da8',
    950: '#000000',
  },
}

SCSS

$custom: #1f5da8;
$custom-light: #718ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5da8",
  "rgb": {
    "r": 31,
    "g": 93,
    "b": 168
  },
  "hsl": {
    "h": 212.847,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48056,
    "c": 0.13563,
    "h": 255.6
  },
  "luminance": 0.10947
}

Semantic roles & 50–950 ramp

primary

#1F5DA8

secondary

#C6965D

accent

#9C3CEC

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1F5DA8

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

Preview Lab → · Contrast checker → · Palette generator →