#2C4ADD
Closest named color: Blue Blue (#2242C7). oklch(49.1% 0.225 267.5), rgb(44, 74, 221).
Aa
White text reads best on this color (6.70:1).
About this color
#2C4ADD is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.225 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.042 away. White text reads best on it, at 6.70:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.225) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #2C4ADD |
| RGB | rgb(44, 74, 221) |
| HSL | hsl(230, 72%, 52%) |
| OKLCH | oklch(49.1% 0.225 267.5) |
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 #2C4ADD | 6.70:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #2C4ADD | 3.13:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #2C4ADD text on white | 6.70:1 | AA | Lc 82.2 | Fine for body text |
| #2C4ADD text on black | 3.13:1 | AA large text | Lc -19.7 | 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
#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
#779BFF
oklch(70.7% 0.152 267.5)
-
Step 500
500
#567DFF
oklch(63% 0.198 267.8)
-
Step 600
600
#385CFD
oklch(55.5% 0.241 267.6)
-
Step 700
700 (this color)
#2C4ADD
oklch(49.1% 0.225 267.5)
-
Step 800
800
#243EB3
oklch(42.7% 0.187 267.5)
-
Step 900
900
#21378D
oklch(37.7% 0.145 267.7)
-
Step 950
950
#132152
oklch(26.9% 0.091 267.7)
#2C4ADD 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) | #0064E2 | 0.057 |
| Deuteranopia (no green cones) | #0053DA | 0.026 |
| Tritanopia (no blue cones) | #00728D | 0.174 |
| Achromatopsia (no color) | #5C5C5C | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C4ADD
#2C4ADD
oklch(49.1% 0.225 267.5)
- #795C00
#795C00
oklch(49.1% 0.1 87.1)
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 #2C4ADD, closest first.
No curated palette has a color within ΔE 0.04 of #2C4ADD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.042
- Azul #1D5DEC ΔE 0.047
- Warm Blue #4B57DB ΔE 0.049
- Majorelle Blue #3F37C9 ΔE 0.051
- Vibrant Blue #0339F8 ΔE 0.056
- Electric Blue #0652FF ΔE 0.057
- Light Royal Blue #3A2EFE ΔE 0.062
- Blurple #5539CC ΔE 0.064
Use #2C4ADD 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.