#2255C5
Closest named color: Blue Blue (#2242C7). oklch(48.6% 0.184 263), rgb(34, 85, 197).
Aa
White text reads best on this color (6.61:1).
About this color
#2255C5 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.184 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.044 away. White text reads best on it, at 6.61:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.17:1 |
| White text | 6.61:1 |
Values
| HEX | #2255C5 |
| RGB | rgb(34, 85, 197) |
| HSL | hsl(221, 71%, 45%) |
| OKLCH | oklch(48.6% 0.184 263) |
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 #2255C5 | 6.61:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #2255C5 | 3.17:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #2255C5 text on white | 6.61:1 | AA | Lc 82.1 | Fine for body text |
| #2255C5 text on black | 3.17:1 | AA large text | Lc -19.8 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A2C1FB
oklch(80.9% 0.089 262.7)
-
Step 400
400
#719EF9
oklch(70.7% 0.143 263.3)
-
Step 500
500
#4C83F6
oklch(63.1% 0.182 263)
-
Step 600
600
#3069E5
oklch(55.6% 0.198 263)
-
Step 700
700 (this color)
#2255C5
oklch(48.6% 0.184 263)
-
Step 800
800
#1E48A1
oklch(42.8% 0.152 262.7)
-
Step 900
900
#1E3D7F
oklch(37.7% 0.118 263)
-
Step 950
950
#12244B
oklch(26.9% 0.076 263.5)
#2255C5 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) | #0064C9 | 0.037 |
| Deuteranopia (no green cones) | #0056C3 | 0.014 |
| Tritanopia (no blue cones) | #007184 | 0.142 |
| Achromatopsia (no color) | #5D5D5D | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2255C5
#2255C5
oklch(48.6% 0.184 263)
- #7B5900
#7B5900
oklch(48.7% 0.1 82.7)
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 #2255C5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.044
- Warm Blue #4B57DB ΔE 0.056
- Azul #1D5DEC ΔE 0.063
- Majorelle Blue #3F37C9 ΔE 0.065
- Mid Blue #276AB3 ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.071
- Royal Blue #4169E1 ΔE 0.075
- Iris #6258C4 ΔE 0.077
Use #2255C5 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.