#2B50AF
Closest named color: Blue Blue (#2242C7). oklch(46.1% 0.158 264.8), rgb(43, 80, 175).
Aa
White text reads best on this color (7.31:1).
About this color
#2B50AF is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.158 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.052 away. White text reads best on it, at 7.31:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.86:1 |
| White text | 7.31:1 |
Values
| HEX | #2B50AF |
| RGB | rgb(43, 80, 175) |
| HSL | hsl(223, 61%, 43%) |
| OKLCH | oklch(46.1% 0.158 264.8) |
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 #2B50AF | 7.31:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #2B50AF | 2.86:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #2B50AF text on white | 7.31:1 | AAA | Lc 85.0 | Fine for body text |
| #2B50AF text on black | 2.86:1 | Fails | Lc -17.0 | 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 700.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CBD9F6
oklch(88.4% 0.043 265)
-
Step 300
300
#A8C1F3
oklch(81% 0.076 264)
-
Step 400
400
#7B9EED
oklch(70.6% 0.123 265.2)
-
Step 500
500
#5A84E7
oklch(63.1% 0.156 265)
-
Step 600
600
#416BD5
oklch(55.5% 0.17 265.1)
-
Step 700
700 (this color)
#2B50AF
oklch(46.1% 0.158 264.8)
-
Step 800
800
#2A4996
oklch(42.7% 0.132 264.8)
-
Step 900
900
#263E77
oklch(37.7% 0.102 264.8)
-
Step 950
950
#162546
oklch(27.1% 0.065 264.1)
#2B50AF 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) | #015DB2 | 0.036 |
| Deuteranopia (no green cones) | #0050AD | 0.024 |
| Tritanopia (no blue cones) | #006777 | 0.125 |
| Achromatopsia (no color) | #565656 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B50AF
#2B50AF
oklch(46.1% 0.158 264.8)
- #715300
#715300
oklch(46.1% 0.095 84.3)
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 #2B50AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.052
- Dusk Blue #26538D ΔE 0.057
- Cobalt #1E488F ΔE 0.058
- Blueberry #464196 ΔE 0.059
- Sapphire #2138AB ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.068
- Mid Blue #276AB3 ΔE 0.070
Use #2B50AF 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.