#2865DB
Closest named color: Royal Blue (#4169E1). oklch(53.8% 0.192 261.8), rgb(40, 101, 219).
Aa
White text reads best on this color (5.28:1).
About this color
#2865DB is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.192 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.027 away. White text reads best on it, at 5.28:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.192) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #2865DB |
| RGB | rgb(40, 101, 219) |
| HSL | hsl(220, 71%, 51%) |
| OKLCH | oklch(53.8% 0.192 261.8) |
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 #2865DB | 5.28:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #2865DB | 3.97:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #2865DB text on white | 5.28:1 | AA | Lc 75.7 | Fine for body text |
| #2865DB text on black | 3.97:1 | AA large text | Lc -26.1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A2C1F9
oklch(80.8% 0.087 262)
-
Step 400
400
#709FF6
oklch(70.7% 0.138 261.9)
-
Step 500
500
#4A84F2
oklch(63% 0.176 261.8)
-
Step 600
600 (this color)
#2865DB
oklch(53.8% 0.192 261.8)
-
Step 700
700
#2158C4
oklch(49.1% 0.179 262)
-
Step 800
800
#1D499E
oklch(42.8% 0.147 261.8)
-
Step 900
900
#1D3E7E
oklch(37.8% 0.115 262)
-
Step 950
950
#11254A
oklch(27.1% 0.074 261.5)
#2865DB 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) | #0074DF | 0.037 |
| Deuteranopia (no green cones) | #0064D9 | 0.017 |
| Tritanopia (no blue cones) | #008296 | 0.148 |
| Achromatopsia (no color) | #6C6C6C | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2865DB
#2865DB
oklch(53.8% 0.192 261.8)
- #8E6600
#8E6600
oklch(53.7% 0.111 81.6)
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 #2865DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.027
- Azul #1D5DEC ΔE 0.034
- Cerulean Blue #056EEE ΔE 0.035
- Neon Blue #4361EE ΔE 0.038
- Warm Blue #4B57DB ΔE 0.042
- Bright Blue #0165FC ΔE 0.051
- Mid Blue #276AB3 ΔE 0.065
- Dark Periwinkle #665FD1 ΔE 0.068
Use #2865DB 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.