#1F7CB4#1F7CB4

#1F7CB4 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.1% C 0.120 H 241.2°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F7CB4
RGB	rgb(31, 124, 180)
HSL	hsl(203, 71%, 41%)
HSV	hsv(203, 83%, 71%)
CMYK	cmyk(82.8%, 31.1%, 0%, 29.4%)
CIE-LAB	lab(49.50, -6.19, -36.93)
CIE-LCH	lch(49.50, 37.45, 260.49°)
OKLab	oklab(56.12% -0.0576 -0.1048)
OKLCH	oklch(56.12% 0.12 241.2)
XYZ	xyz(16.0077, 17.9999, 45.8018)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F7CB4 #B4571F

analogous

#1FB4A2 #1F7CB4 #1F32B4

triadic

#1F7CB4 #B41F7C #7CB41F

tetradic

#1F7CB4 #A21FB4 #B4571F #32B41F

square

#1F7CB4 #A21FB4 #B4571F #32B41F

split-complementary

#1F7CB4 #B41F32 #B4A21F

monochromatic

#0D344C #165880 #1F7CB4 #349DDC #68B6E5

Accessibility & contrast

On white

4.56

#1F7CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#1F7CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F7CB4

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F7CB4	#FFFFFF	#000000	##000000
##1F7CB4	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617DB6

Deuteranopia (green-blind)

#4D70B3

Tritanopia (blue-blind)

#008A90

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #1f7cb4;
/* rgb */ color: rgb(31, 124, 180);
/* oklch */ color: oklch(56.1% 0.120 241.2);

Tailwind

colors: {
  custom: {
    50: '#74a1ca',
    500: '#1f7cb4',
    950: '#000000',
  },
}

SCSS

$custom: #1f7cb4;
$custom-light: #74a1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1f7cb4",
  "rgb": {
    "r": 31,
    "g": 124,
    "b": 180
  },
  "hsl": {
    "h": 202.55,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56123,
    "c": 0.11955,
    "h": 241.2
  },
  "luminance": 0.18002
}

Semantic roles & 50–950 ramp

primary

#1F7CB4

secondary

#CB8B64

accent

#7E3AED

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #1F7CB4

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

Preview Lab → · Contrast checker → · Palette generator →