#365EE0
Closest named color: Azul (#1D5DEC). oklch(53.3% 0.203 266.4), rgb(54, 94, 224).
Aa
White text reads best on this color (5.47:1).
About this color
#365EE0 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.203 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.025 away. White text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.203) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #365EE0 |
| RGB | rgb(54, 94, 224) |
| HSL | hsl(226, 73%, 55%) |
| OKLCH | oklch(53.3% 0.203 266.4) |
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 #365EE0 | 5.47:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #365EE0 | 3.83:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #365EE0 text on white | 5.47:1 | AA | Lc 76.7 | Fine for body text |
| #365EE0 text on black | 3.83:1 | AA large text | Lc -25.0 | 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 600.
-
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
#A5C0FD
oklch(81% 0.092 265.9)
-
Step 400
400
#769CFB
oklch(70.7% 0.146 266.3)
-
Step 500
500
#5580F9
oklch(63.2% 0.187 266.4)
-
Step 600
600 (this color)
#365EE0
oklch(53.3% 0.203 266.4)
-
Step 700
700
#2F53CA
oklch(49.1% 0.189 266.4)
-
Step 800
800
#2745A3
oklch(42.7% 0.156 266.3)
-
Step 900
900
#233B81
oklch(37.6% 0.122 266.3)
-
Step 950
950
#15234C
oklch(27% 0.078 266.9)
#365EE0 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) | #0071E4 | 0.047 |
| Deuteranopia (no green cones) | #0062DD | 0.027 |
| Tritanopia (no blue cones) | #007F96 | 0.160 |
| Achromatopsia (no color) | #696969 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #365EE0
#365EE0
oklch(53.3% 0.203 266.4)
- #886700
#886700
oklch(53.2% 0.109 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 #365EE0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.025
- Warm Blue #4B57DB ΔE 0.026
- Neon Blue #4361EE ΔE 0.027
- Royal Blue #4169E1 ΔE 0.031
- Cerulean Blue #056EEE ΔE 0.044
- Bright Blue #0165FC ΔE 0.049
- Electric Blue #0652FF ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.063
Use #365EE0 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.