#2A63C5
Closest named color: Mid Blue (#276AB3). oklch(51.8% 0.165 260.5), rgb(42, 99, 197).
Aa
White text reads best on this color (5.69:1).
About this color
#2A63C5 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.165 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.036 away. White text reads best on it, at 5.69:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #2A63C5 |
| RGB | rgb(42, 99, 197) |
| HSL | hsl(218, 65%, 47%) |
| OKLCH | oklch(51.8% 0.165 260.5) |
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 #2A63C5 | 5.69:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #2A63C5 | 3.68:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #2A63C5 text on white | 5.69:1 | AA | Lc 78.0 | Fine for body text |
| #2A63C5 text on black | 3.68:1 | AA large text | Lc -23.8 | 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
#E1EAFA
oklch(93.5% 0.024 262.1)
-
Step 200
200
#C9DAF7
oklch(88.5% 0.044 261.2)
-
Step 300
300
#A3C2F5
oklch(80.9% 0.08 260.3)
-
Step 400
400
#72A0F0
oklch(70.7% 0.128 260.9)
-
Step 500
500
#4C86EA
oklch(63% 0.163 260.5)
-
Step 600
600
#2F6DD9
oklch(55.5% 0.178 260.7)
-
Step 700
700 (this color)
#2A63C5
oklch(51.8% 0.165 260.5)
-
Step 800
800
#1E4B98
oklch(42.8% 0.136 260.4)
-
Step 900
900
#1E3F79
oklch(37.7% 0.106 260.8)
-
Step 950
950
#122547
oklch(26.9% 0.068 261.1)
#2A63C5 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) | #276EC9 | 0.029 |
| Deuteranopia (no green cones) | #0060C3 | 0.022 |
| Tritanopia (no blue cones) | #007B8A | 0.129 |
| Achromatopsia (no color) | #676767 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A63C5
#2A63C5
oklch(51.8% 0.165 260.5)
- #886000
#886000
oklch(51.8% 0.107 80.2)
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 #2A63C5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.036
- Royal Blue #4169E1 ΔE 0.051
- French Blue #436BAD ΔE 0.052
- Warm Blue #4B57DB ΔE 0.054
- Windows Blue #3778BF ΔE 0.062
- Azul #1D5DEC ΔE 0.063
- Iris #6258C4 ΔE 0.066
- Cerulean Blue #056EEE ΔE 0.066
Use #2A63C5 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.