#2A50B5
Closest named color: Blue Blue (#2242C7). oklch(46.6% 0.166 264.9), rgb(42, 80, 181).
Aa
White text reads best on this color (7.20:1).
About this color
#2A50B5 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.166 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.045 away. White text reads best on it, at 7.20:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.91:1 |
| White text | 7.20:1 |
Values
| HEX | #2A50B5 |
| RGB | rgb(42, 80, 181) |
| HSL | hsl(224, 62%, 44%) |
| OKLCH | oklch(46.6% 0.166 264.9) |
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 #2A50B5 | 7.20:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #2A50B5 | 2.91:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #2A50B5 text on white | 7.20:1 | AAA | Lc 84.5 | Fine for body text |
| #2A50B5 text on black | 2.91:1 | Fails | Lc -17.5 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F8
oklch(88.5% 0.045 266.2)
-
Step 300
300
#A7C0F6
oklch(80.8% 0.082 265.3)
-
Step 400
400
#799EF1
oklch(70.7% 0.129 265)
-
Step 500
500
#5783EC
oklch(63% 0.165 264.9)
-
Step 600
600
#3E6ADA
oklch(55.5% 0.179 265)
-
Step 700
700 (this color)
#2A50B5
oklch(46.6% 0.166 264.9)
-
Step 800
800
#294899
oklch(42.6% 0.138 265.2)
-
Step 900
900
#253D7A
oklch(37.6% 0.108 265.4)
-
Step 950
950
#162447
oklch(26.9% 0.068 265.6)
#2A50B5 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) | #005EB8 | 0.037 |
| Deuteranopia (no green cones) | #0051B3 | 0.022 |
| Tritanopia (no blue cones) | #00697A | 0.132 |
| Achromatopsia (no color) | #575757 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A50B5
#2A50B5
oklch(46.6% 0.166 264.9)
- #725400
#725400
oklch(46.5% 0.095 84.6)
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 #2A50B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.045
- Sapphire #2138AB ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.062
- Blueberry #464196 ΔE 0.065
- Cobalt #1E488F ΔE 0.066
- Dusk Blue #26538D ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Denim Blue #3B5B92 ΔE 0.070
Use #2A50B5 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.