#2B64C3
Closest named color: Mid Blue (#276AB3). oklch(51.9% 0.16 260.1), rgb(43, 100, 195).
Aa
White text reads best on this color (5.65:1).
About this color
#2B64C3 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.160 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.032 away. White text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #2B64C3 |
| RGB | rgb(43, 100, 195) |
| HSL | hsl(218, 64%, 47%) |
| OKLCH | oklch(51.9% 0.16 260.1) |
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 #2B64C3 | 5.65:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #2B64C3 | 3.71:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #2B64C3 text on white | 5.65:1 | AA | Lc 77.8 | Fine for body text |
| #2B64C3 text on black | 3.71:1 | AA large text | Lc -23.9 | 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
#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
#72A1EE
oklch(70.8% 0.124 259.9)
-
Step 500
500
#4D87E8
oklch(63.1% 0.159 260.1)
-
Step 600
600
#306ED6
oklch(55.5% 0.172 260.2)
-
Step 700
700 (this color)
#2B64C3
oklch(51.9% 0.16 260.1)
-
Step 800
800
#1E4B96
oklch(42.6% 0.133 260.1)
-
Step 900
900
#1E4078
oklch(37.8% 0.104 259.9)
-
Step 950
950
#122646
oklch(27.1% 0.065 259.4)
#2B64C3 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) | #2D6EC6 | 0.027 |
| Deuteranopia (no green cones) | #0061C1 | 0.022 |
| Tritanopia (no blue cones) | #007B8A | 0.125 |
| Achromatopsia (no color) | #676767 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B64C3
#2B64C3
oklch(51.9% 0.16 260.1)
- #896000
#896000
oklch(51.9% 0.108 79.5)
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 #2B64C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.032
- French Blue #436BAD ΔE 0.048
- Royal Blue #4169E1 ΔE 0.053
- Warm Blue #4B57DB ΔE 0.057
- Windows Blue #3778BF ΔE 0.059
- Iris #6258C4 ΔE 0.066
- Azul #1D5DEC ΔE 0.067
- Flat Blue #3C73A8 ΔE 0.067
Use #2B64C3 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.