#2C75E5
Closest named color: Cerulean Blue (#056EEE). oklch(58% 0.185 259.2), rgb(44, 117, 229).
Aa
Black text reads best on this color (4.78:1).
About this color
#2C75E5 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.185 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.029 away. Black text reads best on it, at 4.78:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.78:1 |
| White text | 4.39:1 |
Values
| HEX | #2C75E5 |
| RGB | rgb(44, 117, 229) |
| HSL | hsl(216, 78%, 54%) |
| OKLCH | oklch(58% 0.185 259.2) |
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 #2C75E5 | 4.39:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #2C75E5 | 4.78:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #2C75E5 text on white | 4.39:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #2C75E5 text on black | 4.78:1 | AA | Lc -31.8 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DAF8
oklch(88.4% 0.046 259.5)
-
Step 300
300
#A1C2F7
oklch(80.9% 0.084 259.8)
-
Step 400
400
#6DA1F3
oklch(70.8% 0.133 259.2)
-
Step 500
500
#4487EE
oklch(63.1% 0.169 258.8)
-
Step 600
600 (this color)
#2C75E5
oklch(58% 0.185 259.2)
-
Step 700
700
#165BC0
oklch(49.2% 0.172 259.1)
-
Step 800
800
#164B9B
oklch(42.8% 0.142 259.1)
-
Step 900
900
#193F7B
oklch(37.6% 0.111 259.3)
-
Step 950
950
#102648
oklch(27.1% 0.069 258.9)
#2C75E5 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) | #3181E9 | 0.032 |
| Deuteranopia (no green cones) | #0071E3 | 0.021 |
| Tritanopia (no blue cones) | #0090A2 | 0.142 |
| Achromatopsia (no color) | #787878 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C75E5
#2C75E5
oklch(58% 0.185 259.2)
- #A07000
#A07000
oklch(58% 0.12 78.9)
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 #2C75E5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.029
- Royal Blue #4169E1 ΔE 0.031
- Clear Blue #247AFD ΔE 0.037
- Neon Blue #4361EE ΔE 0.051
- Bright Blue #0165FC ΔE 0.058
- Windows Blue #3778BF ΔE 0.061
- Azul #1D5DEC ΔE 0.062
- Water Blue #0E87CC ΔE 0.067
Use #2C75E5 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.