#3367C4
Closest named color: Mid Blue (#276AB3). oklch(52.9% 0.156 261), rgb(51, 103, 196).
Aa
White text reads best on this color (5.41:1).
About this color
#3367C4 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.156 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.031 away. White text reads best on it, at 5.41:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #3367C4 |
| RGB | rgb(51, 103, 196) |
| HSL | hsl(218, 59%, 48%) |
| OKLCH | oklch(52.9% 0.156 261) |
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 #3367C4 | 5.41:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #3367C4 | 3.87:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #3367C4 text on white | 5.41:1 | AA | Lc 76.6 | Fine for body text |
| #3367C4 text on black | 3.87:1 | AA large text | Lc -25.1 | 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 600.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF4
oklch(88.5% 0.039 261.5)
-
Step 300
300
#A7C2EF
oklch(81% 0.07 260.6)
-
Step 400
400
#78A1E7
oklch(70.8% 0.113 260.7)
-
Step 500
500
#5687DF
oklch(63% 0.143 261.2)
-
Step 600
600 (this color)
#3367C4
oklch(52.9% 0.156 261)
-
Step 700
700
#2D5DB1
oklch(49.2% 0.144 260.7)
-
Step 800
800
#264C90
oklch(42.7% 0.121 261)
-
Step 900
900
#234073
oklch(37.7% 0.094 260.8)
-
Step 950
950
#152643
oklch(27% 0.059 260.5)
#3367C4 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) | #3471C7 | 0.027 |
| Deuteranopia (no green cones) | #0A64C2 | 0.026 |
| Tritanopia (no blue cones) | #007D8C | 0.123 |
| Achromatopsia (no color) | #6A6A6A | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3367C4
#3367C4
oklch(52.9% 0.156 261)
- #8B6300
#8B6300
oklch(52.8% 0.109 80.9)
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 #3367C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.031
- French Blue #436BAD ΔE 0.042
- Royal Blue #4169E1 ΔE 0.048
- Windows Blue #3778BF ΔE 0.049
- Warm Blue #4B57DB ΔE 0.058
- Flat Blue #3C73A8 ΔE 0.061
- Iris #6258C4 ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.065
Use #3367C4 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.