#2851C6
Closest named color: Blue Blue (#2242C7). oklch(48.1% 0.188 265.1), rgb(40, 81, 198).
Aa
White text reads best on this color (6.81:1).
About this color
#2851C6 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.188 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.036 away. White text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #2851C6 |
| RGB | rgb(40, 81, 198) |
| HSL | hsl(224, 66%, 47%) |
| OKLCH | oklch(48.1% 0.188 265.1) |
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 #2851C6 | 6.81:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #2851C6 | 3.08:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #2851C6 text on white | 6.81:1 | AA | Lc 82.9 | Fine for body text |
| #2851C6 text on black | 3.08:1 | AA large text | Lc -19.0 | 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 700.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9D9FC
oklch(88.5% 0.051 265.9)
-
Step 300
300
#A4C0FC
oklch(80.9% 0.091 265)
-
Step 400
400
#749DFB
oklch(70.7% 0.145 265.1)
-
Step 500
500
#5181F9
oklch(63.2% 0.187 265.1)
-
Step 600
600
#3767E8
oklch(55.7% 0.203 265)
-
Step 700
700 (this color)
#2851C6
oklch(48.1% 0.188 265.1)
-
Step 800
800
#2446A3
oklch(42.8% 0.156 265.1)
-
Step 900
900
#213C81
oklch(37.7% 0.121 265)
-
Step 950
950
#14244C
oklch(27.1% 0.077 265.2)
#2851C6 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) | #0062CA | 0.042 |
| Deuteranopia (no green cones) | #0054C4 | 0.019 |
| Tritanopia (no blue cones) | #006F83 | 0.148 |
| Achromatopsia (no color) | #5B5B5B | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2851C6
#2851C6
oklch(48.1% 0.188 265.1)
- #775900
#775900
oklch(48.2% 0.099 85.7)
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 #2851C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.036
- Warm Blue #4B57DB ΔE 0.055
- Majorelle Blue #3F37C9 ΔE 0.055
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Azul #1D5DEC ΔE 0.065
- Blurple #5539CC ΔE 0.069
- Sapphire #2138AB ΔE 0.075
- Mid Blue #276AB3 ΔE 0.075
Use #2851C6 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.