#2F4DC4
Closest named color: Blue Blue (#2242C7). oklch(47.5% 0.189 267.6), rgb(47, 77, 196).
Aa
White text reads best on this color (7.04:1).
About this color
#2F4DC4 is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.189 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.030 away. White text reads best on it, at 7.04:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.189) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.97:1 |
| White text | 7.04:1 |
Values
| HEX | #2F4DC4 |
| RGB | rgb(47, 77, 196) |
| HSL | hsl(228, 61%, 48%) |
| OKLCH | oklch(47.5% 0.189 267.6) |
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 #2F4DC4 | 7.04:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #2F4DC4 | 2.97:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #2F4DC4 text on white | 7.04:1 | AAA | Lc 83.8 | Fine for body text |
| #2F4DC4 text on black | 2.97:1 | Fails | Lc -18.1 | 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
#CAD9FC
oklch(88.5% 0.051 267)
-
Step 300
300
#A7BFFC
oklch(80.9% 0.091 267.7)
-
Step 400
400
#799BFB
oklch(70.6% 0.146 267.8)
-
Step 500
500
#587FF9
oklch(63.1% 0.187 267.5)
-
Step 600
600
#4064E8
oklch(55.5% 0.204 267.6)
-
Step 700
700 (this color)
#2F4DC4
oklch(47.5% 0.189 267.6)
-
Step 800
800
#2A44A3
oklch(42.7% 0.157 267.6)
-
Step 900
900
#253B81
oklch(37.7% 0.121 267.2)
-
Step 950
950
#16234C
oklch(27% 0.078 267.7)
#2F4DC4 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) | #0060C8 | 0.047 |
| Deuteranopia (no green cones) | #0052C2 | 0.026 |
| Tritanopia (no blue cones) | #006B81 | 0.147 |
| Achromatopsia (no color) | #595959 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F4DC4
#2F4DC4
oklch(47.5% 0.189 267.6)
- #735800
#735800
oklch(47.5% 0.097 87.9)
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 #2F4DC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.030
- Majorelle Blue #3F37C9 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Warm Blue #4B57DB ΔE 0.057
- Blurple #5539CC ΔE 0.060
- Sapphire #2138AB ΔE 0.068
- Azul #1D5DEC ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.072
Use #2F4DC4 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.