#3042E9
Closest named color: Light Royal Blue (#3A2EFE). oklch(49.2% 0.246 269), rgb(48, 66, 233).
Aa
White text reads best on this color (6.81:1).
About this color
#3042E9 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.246 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Light Royal Blue (#3A2EFE), ΔE 0.039 away. White text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.246) |
| Temperature | cool |
| Nearest name | Light Royal Blue (#3A2EFE) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #3042E9 |
| RGB | rgb(48, 66, 233) |
| HSL | hsl(234, 81%, 55%) |
| OKLCH | oklch(49.2% 0.246 269) |
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 #3042E9 | 6.81:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #3042E9 | 3.08:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #3042E9 text on white | 6.81:1 | AA | Lc 82.4 | Fine for body text |
| #3042E9 text on black | 3.08:1 | AA large text | Lc -19.5 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BEFF
oklch(80.8% 0.096 269.2)
-
Step 400
400
#7A9AFF
oklch(70.7% 0.152 269)
-
Step 500
500
#5A7CFF
oklch(63% 0.198 269.1)
-
Step 600
600
#3E5AFF
oklch(55.6% 0.244 269)
-
Step 700
700 (this color)
#3042E9
oklch(49.2% 0.246 269)
-
Step 800
800
#2738BC
oklch(42.7% 0.204 269.1)
-
Step 900
900
#223494
oklch(37.8% 0.158 269)
-
Step 950
950
#132057
oklch(27.1% 0.101 268.6)
#3042E9 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) | #0064EE | 0.069 |
| Deuteranopia (no green cones) | #0052E6 | 0.035 |
| Tritanopia (no blue cones) | #007292 | 0.188 |
| Achromatopsia (no color) | #5B5B5B | 0.247 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3042E9
#3042E9
oklch(49.2% 0.246 269)
- #785D00
#785D00
oklch(49.2% 0.101 88.9)
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 #3042E9, closest first.
No curated palette has a color within ΔE 0.04 of #3042E9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Royal Blue #3A2EFE ΔE 0.039
- Vibrant Blue #0339F8 ΔE 0.040
- Electric Blue #0652FF ΔE 0.048
- Vivid Blue #152EFF ΔE 0.050
- Azul #1D5DEC ΔE 0.054
- Blue Blue #2242C7 ΔE 0.055
- Majorelle Blue #3F37C9 ΔE 0.057
- Warm Blue #4B57DB ΔE 0.061
Use #3042E9 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.