#2865CC
Closest named color: Royal Blue (#4169E1). oklch(52.7% 0.172 260.3), rgb(40, 101, 204).
Aa
White text reads best on this color (5.49:1).
About this color
#2865CC is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.172 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.042 away. White text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #2865CC |
| RGB | rgb(40, 101, 204) |
| HSL | hsl(218, 67%, 48%) |
| OKLCH | oklch(52.7% 0.172 260.3) |
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 #2865CC | 5.49:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #2865CC | 3.82:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #2865CC text on white | 5.49:1 | AA | Lc 76.9 | Fine for body text |
| #2865CC text on black | 3.82:1 | AA large text | Lc -24.9 | 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 600.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAF9
oklch(93.5% 0.023 260.7)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A4C2F3
oklch(80.9% 0.077 260.1)
-
Step 400
400
#73A1ED
oklch(70.8% 0.123 260.1)
-
Step 500
500
#4E87E8
oklch(63.2% 0.158 260.3)
-
Step 600
600 (this color)
#2865CC
oklch(52.7% 0.172 260.3)
-
Step 700
700
#245BB9
oklch(49% 0.16 260.4)
-
Step 800
800
#1F4B96
oklch(42.6% 0.133 260.4)
-
Step 900
900
#1F4077
oklch(37.8% 0.102 260)
-
Step 950
950
#132646
oklch(27.1% 0.065 260.2)
#2865CC 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) | #2371D0 | 0.031 |
| Deuteranopia (no green cones) | #0062CA | 0.020 |
| Tritanopia (no blue cones) | #007E8F | 0.133 |
| Achromatopsia (no color) | #696969 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2865CC
#2865CC
oklch(52.7% 0.172 260.3)
- #8B6200
#8B6200
oklch(52.5% 0.109 80)
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 #2865CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.042
- Mid Blue #276AB3 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.050
- Azul #1D5DEC ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.055
- French Blue #436BAD ΔE 0.058
- Neon Blue #4361EE ΔE 0.059
- Windows Blue #3778BF ΔE 0.061
Use #2865CC 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.