Nerdulator> put something in

Recognised as Colour

#153D72

  • #153D72
  • Blue
  • Dark
  • Nearest: Dark slateblue

#153D72 is a blue with RGB values 21, 61, 114 and HSL 214°, 69%, 26%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#153D72#153D72
HEX#153D72
RGBrgb(21, 61, 114)
RGB (0–1)0.0824, 0.2392, 0.4471
RGB percentages8.2%, 23.9%, 44.7%
HSLhsl(214.2, 68.9%, 26.5%)
HSV / HSBhsv(214.2, 81.6%, 44.7%)
CMYK81.6%, 46.5%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,391,986
CSS custom property--colour: #153D72;

Brightness & contrast

Relative luminance0.04712WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.81:1
Contrast with white10.81:1WCAG normal text: AAA
Contrast with black1.94:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#EAC28D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#224274no red cones; affects about 1% of men; ΔE 3.3 from the original
Deuteranopia#0E3971no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#004A52no blue cones; rare, and affects men and women equally; ΔE 33.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.81:1WCAG large text: AAA
Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.1Steel blue · ΔE 28.9Midnight blue · ΔE 30.7Dark slate grey · ΔE 36.4Slate grey · ΔE 37.2Rebecca purple · ΔE 38.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#724A15
Analogous#156B72, #1C1572
Triadic#72153D, #3D7215
Split complementary#721B15, #6C7215
Tetradic#72156B, #724A15, #15721B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6FA1E4
Lighter +30%#4485DC
Lighter +20%#256BC8
Lighter +10%#1D549D
Darker −10%#0D2647
Darker −20%#050F1C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#043B83
Less saturated −25%#263F61

Channel breakdown

R21
G61
B114
Red21 (8.2%)
Green61 (23.9%)
Blue114 (44.7%)
Hue214.19°
Saturation (HSL)68.89%
Lightness26.47%
Dominant channelBlue
Hex per channelR 15 · G 3D · B 72

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “153d72” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.