#2D4FC9
Closest named color: Blue Blue (#2242C7). oklch(48.2% 0.193 266.8), rgb(45, 79, 201).
Aa
White text reads best on this color (6.83:1).
About this color
#2D4FC9 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.193 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.033 away. White text reads best on it, at 6.83:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #2D4FC9 |
| RGB | rgb(45, 79, 201) |
| HSL | hsl(227, 63%, 48%) |
| OKLCH | oklch(48.2% 0.193 266.8) |
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 #2D4FC9 | 6.83:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #2D4FC9 | 3.07:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #2D4FC9 text on white | 6.83:1 | AA | Lc 83.0 | Fine for body text |
| #2D4FC9 text on black | 3.07:1 | AA large text | Lc -19.0 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFD
oklch(93.7% 0.027 267.5)
-
Step 200
200
#CAD9FD
oklch(88.6% 0.052 267.4)
-
Step 300
300
#A5BFFE
oklch(80.8% 0.094 267)
-
Step 400
400
#769CFE
oklch(70.8% 0.15 266.6)
-
Step 500
500
#557FFB
oklch(63.1% 0.19 266.8)
-
Step 600
600
#3C64EB
oklch(55.6% 0.209 266.8)
-
Step 700
700 (this color)
#2D4FC9
oklch(48.2% 0.193 266.8)
-
Step 800
800
#2744A5
oklch(42.7% 0.16 266.7)
-
Step 900
900
#233B83
oklch(37.8% 0.125 266.5)
-
Step 950
950
#15234D
oklch(27% 0.08 267.1)
#2D4FC9 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) | #0062CD | 0.046 |
| Deuteranopia (no green cones) | #0054C7 | 0.024 |
| Tritanopia (no blue cones) | #006E84 | 0.151 |
| Achromatopsia (no color) | #5B5B5B | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4FC9
#2D4FC9
oklch(48.2% 0.193 266.8)
- #765900
#765900
oklch(48.1% 0.098 86.5)
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 #2D4FC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.033
- Majorelle Blue #3F37C9 ΔE 0.049
- Warm Blue #4B57DB ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Azul #1D5DEC ΔE 0.062
- Blurple #5539CC ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.074
- Iris #6258C4 ΔE 0.075
Use #2D4FC9 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.