#1B207D#1B207D

#1B207D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.153 H 271.3°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#1B207D
RGB	rgb(27, 32, 125)
HSL	hsl(237, 64%, 30%)
HSV	hsv(237, 78%, 49%)
CMYK	cmyk(78.4%, 74.4%, 0%, 51%)
CIE-LAB	lab(19.00, 32.27, -52.74)
CIE-LCH	lch(19.00, 61.83, 301.46°)
OKLab	oklab(31.52% 0.0036 -0.1527)
OKLCH	oklch(31.52% 0.153 271.3)
XYZ	xyz(4.6689, 2.7462, 19.6821)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B207D #7D781B

analogous

#1B517D #1B207D #471B7D

triadic

#1B207D #7D1B20 #207D1B

tetradic

#1B207D #7D1B51 #7D781B #1B7D47

square

#1B207D #7D1B51 #7D781B #1B7D47

split-complementary

#1B207D #7D471B #517D1B

monochromatic

#050619 #10134B #1B207D #262DAF #3D45D5

Accessibility & contrast

On white

13.55

#1B207D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1B207D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B207D

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B207D	#FFFFFF	#000000	##FFFFFF
##1B207D	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003380

Deuteranopia (green-blind)

#00297B

Tritanopia (blue-blind)

#003A4C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1b207d;
/* rgb */ color: rgb(27, 32, 125);
/* oklch */ color: oklch(31.5% 0.153 271.3);

Tailwind

colors: {
  custom: {
    50: '#695ca4',
    500: '#1b207d',
    950: '#000000',
  },
}

SCSS

$custom: #1b207d;
$custom-light: #695ca4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b207d",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 125
  },
  "hsl": {
    "h": 236.939,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31516,
    "c": 0.15272,
    "h": 271.3
  },
  "luminance": 0.02747
}

Semantic roles & 50–950 ramp

primary

#1B207D

secondary

#B1AB43

accent

#DF40E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1B207D

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

Preview Lab → · Contrast checker → · Palette generator →