#364DBE
Closest named color: Blue Blue (#2242C7). oklch(47.3% 0.179 269.5), rgb(54, 77, 190).
Aa
White text reads best on this color (7.08:1).
About this color
#364DBE is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.179 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.037 away. White text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.179) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #364DBE |
| RGB | rgb(54, 77, 190) |
| HSL | hsl(230, 56%, 48%) |
| OKLCH | oklch(47.3% 0.179 269.5) |
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 #364DBE | 7.08:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #364DBE | 2.96:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #364DBE text on white | 7.08:1 | AAA | Lc 84.1 | Fine for body text |
| #364DBE text on black | 2.96:1 | Fails | Lc -17.9 | 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
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD8FA
oklch(88.4% 0.049 270)
-
Step 300
300
#AABFF9
oklch(80.9% 0.086 269)
-
Step 400
400
#7E9BF7
oklch(70.7% 0.139 269.4)
-
Step 500
500
#607FF3
oklch(63.1% 0.177 269.5)
-
Step 600
600
#4865E2
oklch(55.6% 0.192 269.3)
-
Step 700
700 (this color)
#364DBE
oklch(47.3% 0.179 269.5)
-
Step 800
800
#30449F
oklch(42.6% 0.149 269.6)
-
Step 900
900
#2A3B7E
oklch(37.8% 0.115 269.5)
-
Step 950
950
#18234A
oklch(27% 0.074 269.2)
#364DBE 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) | #005FC2 | 0.048 |
| Deuteranopia (no green cones) | #0052BC | 0.034 |
| Tritanopia (no blue cones) | #00697E | 0.142 |
| Achromatopsia (no color) | #585858 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364DBE
#364DBE
oklch(47.3% 0.179 269.5)
- #715800
#715800
oklch(47.3% 0.097 89.5)
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 #364DBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.037
- Majorelle Blue #3F37C9 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Blurple #5539CC ΔE 0.058
- Warm Blue #4B57DB ΔE 0.059
- Sapphire #2138AB ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.067
- Iris #6258C4 ΔE 0.070
Use #364DBE 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.