#2A4ABD
Closest named color: Blue Blue (#2242C7). oklch(46.1% 0.184 266.8), rgb(42, 74, 189).
Aa
White text reads best on this color (7.46:1).
About this color
#2A4ABD is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.184 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.026 away. White text reads best on it, at 7.46:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #2A4ABD |
| RGB | rgb(42, 74, 189) |
| HSL | hsl(227, 64%, 45%) |
| OKLCH | oklch(46.1% 0.184 266.8) |
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 #2A4ABD | 7.46:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #2A4ABD | 2.81:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #2A4ABD text on white | 7.46:1 | AAA | Lc 85.3 | Fine for body text |
| #2A4ABD text on black | 2.81:1 | Fails | Lc -16.7 | 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 700.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CAD9FB
oklch(88.5% 0.05 266.5)
-
Step 300
300
#A6BFFB
oklch(80.8% 0.09 266.9)
-
Step 400
400
#789CF9
oklch(70.7% 0.142 266.8)
-
Step 500
500
#5780F6
oklch(63.1% 0.182 266.7)
-
Step 600
600
#3F66E5
oklch(55.6% 0.198 266.8)
-
Step 700
700 (this color)
#2A4ABD
oklch(46.1% 0.184 266.8)
-
Step 800
800
#2945A1
oklch(42.6% 0.153 266.8)
-
Step 900
900
#253B80
oklch(37.6% 0.12 267.1)
-
Step 950
950
#16234B
oklch(26.9% 0.076 267.6)
#2A4ABD 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) | #005CC1 | 0.045 |
| Deuteranopia (no green cones) | #004EBB | 0.023 |
| Tritanopia (no blue cones) | #00687C | 0.146 |
| Achromatopsia (no color) | #555555 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A4ABD
#2A4ABD
oklch(46.1% 0.184 266.8)
- #6F5400
#6F5400
oklch(46.1% 0.094 87)
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 #2A4ABD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.026
- Majorelle Blue #3F37C9 ΔE 0.045
- Sapphire #2138AB ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Blurple #5539CC ΔE 0.065
- Warm Blue #4B57DB ΔE 0.071
- Blueberry #464196 ΔE 0.072
- Cobalt #1E488F ΔE 0.076
Use #2A4ABD 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.