#2D47BB
Closest named color: Blue Blue (#2242C7). oklch(45.5% 0.184 268.2), rgb(45, 71, 187).
Aa
White text reads best on this color (7.69:1).
About this color
#2D47BB is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.184 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.025 away. White text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.73:1 |
| White text | 7.69:1 |
Values
| HEX | #2D47BB |
| RGB | rgb(45, 71, 187) |
| HSL | hsl(229, 61%, 45%) |
| OKLCH | oklch(45.5% 0.184 268.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2D47BB | 7.69:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #2D47BB | 2.73:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #2D47BB text on white | 7.69:1 | AAA | Lc 86.1 | Fine for body text |
| #2D47BB text on black | 2.73:1 | Fails | Lc -16.0 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A6BFFF
oklch(80.9% 0.095 267.8)
-
Step 400
400
#789AFF
oklch(70.6% 0.153 268.3)
-
Step 500
500
#587DFF
oklch(63.1% 0.197 268.3)
-
Step 600
600
#3B5CFC
oklch(55.5% 0.239 268.1)
-
Step 700
700
#2F4ADC
oklch(49.1% 0.223 268.2)
-
Step 800
800 (this color)
#2D47BB
oklch(45.5% 0.184 268.2)
-
Step 900
900
#22378C
oklch(37.6% 0.143 268.1)
-
Step 950
950
#142152
oklch(26.9% 0.091 268.4)
#2D47BB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #005ABF | 0.047 |
| Deuteranopia (no green cones) | #004DB9 | 0.027 |
| Tritanopia (no blue cones) | #00657A | 0.145 |
| Achromatopsia (no color) | #535353 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D47BB
#2D47BB
oklch(45.5% 0.184 268.2)
- #6C5300
#6C5300
oklch(45.5% 0.093 88.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2D47BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.025
- Majorelle Blue #3F37C9 ΔE 0.041
- Sapphire #2138AB ΔE 0.048
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Blurple #5539CC ΔE 0.063
- Blueberry #464196 ΔE 0.067
- Cobalt #1E488F ΔE 0.074
- Warm Blue #4B57DB ΔE 0.076
Use #2D47BB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.