#2251C6
Closest named color: Blue Blue (#2242C7). oklch(47.9% 0.19 263.9), rgb(34, 81, 198).
Aa
White text reads best on this color (6.86:1).
About this color
#2251C6 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.190 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.034 away. White text reads best on it, at 6.86:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.06:1 |
| White text | 6.86:1 |
Values
| HEX | #2251C6 |
| RGB | rgb(34, 81, 198) |
| HSL | hsl(223, 71%, 45%) |
| OKLCH | oklch(47.9% 0.19 263.9) |
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 #2251C6 | 6.86:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #2251C6 | 3.06:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #2251C6 text on white | 6.86:1 | AA | Lc 83.0 | Fine for body text |
| #2251C6 text on black | 3.06:1 | AA large text | Lc -18.9 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFC
oklch(88.6% 0.051 263.2)
-
Step 300
300
#A2C0FD
oklch(80.8% 0.093 264.1)
-
Step 400
400
#719DFC
oklch(70.6% 0.148 264.2)
-
Step 500
500
#4D82F9
oklch(63.2% 0.187 263.8)
-
Step 600
600
#3267E8
oklch(55.5% 0.204 264)
-
Step 700
700 (this color)
#2251C6
oklch(47.9% 0.19 263.9)
-
Step 800
800
#2046A3
oklch(42.6% 0.157 264)
-
Step 900
900
#1E3C81
oklch(37.6% 0.122 263.8)
-
Step 950
950
#12244C
oklch(27% 0.078 263.8)
#2251C6 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 | 0.041 |
| Deuteranopia (no green cones) | #0053C4 | 0.015 |
| Tritanopia (no blue cones) | #006F83 | 0.147 |
| Achromatopsia (no color) | #5A5A5A | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2251C6
#2251C6
oklch(47.9% 0.19 263.9)
- #775800
#775800
oklch(48% 0.098 84.7)
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 #2251C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.034
- Majorelle Blue #3F37C9 ΔE 0.056
- Warm Blue #4B57DB ΔE 0.058
- Azul #1D5DEC ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Blurple #5539CC ΔE 0.072
- Sapphire #2138AB ΔE 0.073
- Mid Blue #276AB3 ΔE 0.076
Use #2251C6 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.