#1F658C#1F658C

#1F658C is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.3% C 0.092 H 237.9°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#1F658C
RGB	rgb(31, 101, 140)
HSL	hsl(201, 64%, 34%)
HSV	hsv(201, 78%, 55%)
CMYK	cmyk(77.9%, 27.9%, 0%, 45.1%)
CIE-LAB	lab(40.40, -7.43, -27.64)
CIE-LCH	lch(40.40, 28.62, 254.95°)
OKLab	oklab(48.26% -0.0489 -0.078)
OKLCH	oklch(48.26% 0.092 237.9)
XYZ	xyz(9.9505, 11.4909, 26.4994)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F658C #8C461F

analogous

#1F8C7C #1F658C #1F2E8C

triadic

#1F658C #8C1F65 #658C1F

tetradic

#1F658C #7C1F8C #8C461F #2E8C1F

square

#1F658C #7C1F8C #8C461F #2E8C1F

split-complementary

#1F658C #8C1F2E #8C7C1F

monochromatic

#091D28 #14415A #1F658C #2A89BE #4EA6D8

Accessibility & contrast

On white

6.37

#1F658C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#1F658C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F658C

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F658C	#FFFFFF	#000000	##FFFFFF
##1F658C	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52658E

Deuteranopia (green-blind)

#445B8B

Tritanopia (blue-blind)

#006F72

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1f658c;
/* rgb */ color: rgb(31, 101, 140);
/* oklch */ color: oklch(48.3% 0.092 237.9);

Tailwind

colors: {
  custom: {
    50: '#6c90ad',
    500: '#1f658c',
    950: '#000000',
  },
}

SCSS

$custom: #1f658c;
$custom-light: #6c90ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f658c",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 140
  },
  "hsl": {
    "h": 201.468,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.48261,
    "c": 0.09213,
    "h": 237.9
  },
  "luminance": 0.11492
}

Semantic roles & 50–950 ramp

primary

#1F658C

secondary

#BB744C

accent

#7C41E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F658C

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

Preview Lab → · Contrast checker → · Palette generator →