#253DBD#253DBD

#253DBD is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.5% C 0.201 H 267.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#253DBD
RGB	rgb(37, 61, 189)
HSL	hsl(231, 67%, 44%)
HSV	hsv(231, 80%, 74%)
CMYK	cmyk(80.4%, 67.7%, 0%, 25.9%)
CIE-LAB	lab(32.71, 38.16, -69.23)
CIE-LCH	lch(32.71, 79.05, 298.86°)
OKLab	oklab(43.51% -0.0073 -0.2005)
OKLCH	oklch(43.51% 0.201 267.9)
XYZ	xyz(11.6138, 7.4036, 48.9512)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253DBD #BDA525

analogous

#2589BD #253DBD #5925BD

triadic

#253DBD #BD253D #3DBD25

tetradic

#253DBD #BD2589 #BDA525 #25BD59

square

#253DBD #BD2589 #BDA525 #25BD59

split-complementary

#253DBD #BD5925 #89BD25

monochromatic

#111C57 #1B2C8A #253DBD #455CDB #7889E5

Accessibility & contrast

On white

8.46

#253DBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#253DBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253DBD

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253DBD	#FFFFFF	#000000	##FFFFFF
##253DBD	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#0046BB

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #253dbd;
/* rgb */ color: rgb(37, 61, 189);
/* oklch */ color: oklch(43.5% 0.201 267.9);

Tailwind

colors: {
  custom: {
    50: '#7a72d2',
    500: '#253dbd',
    950: '#000000',
  },
}

SCSS

$custom: #253dbd;
$custom-light: #7a72d2;
$custom-dark: #000000;

JSON

{
  "hex": "#253dbd",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 189
  },
  "hsl": {
    "h": 230.526,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43512,
    "c": 0.20067,
    "h": 267.9
  },
  "luminance": 0.07405
}

Semantic roles & 50–950 ramp

primary

#253DBD

secondary

#CCBE72

accent

#CF3EEA

background

#F8F6FD

surface

#EFECFA

border

#CAC7D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #253DBD

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

Preview Lab → · Contrast checker → · Palette generator →