#284EC6
Closest named color: Blue Blue (#2242C7). oklch(47.5% 0.192 265.8), rgb(40, 78, 198).
Aa
White text reads best on this color (7.01:1).
About this color
#284EC6 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.192 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.029 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.192) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #284EC6 |
| RGB | rgb(40, 78, 198) |
| HSL | hsl(226, 66%, 47%) |
| OKLCH | oklch(47.5% 0.192 265.8) |
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 #284EC6 | 7.01:1 | AAA | Lc -88.6 | Fine for body text |
| Black text on #284EC6 | 2.99:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #284EC6 text on white | 7.01:1 | AAA | Lc 83.6 | Fine for body text |
| #284EC6 text on black | 2.99:1 | Fails | Lc -18.3 | 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
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FC
oklch(88.5% 0.051 265.9)
-
Step 300
300
#A4C0FD
oklch(80.9% 0.092 265.3)
-
Step 400
400
#749CFD
oklch(70.6% 0.149 265.8)
-
Step 500
500
#5280FB
oklch(63.1% 0.19 265.8)
-
Step 600
600
#3965EA
oklch(55.6% 0.207 265.9)
-
Step 700
700 (this color)
#284EC6
oklch(47.5% 0.192 265.8)
-
Step 800
800
#2545A4
oklch(42.7% 0.158 265.8)
-
Step 900
900
#223B82
oklch(37.6% 0.124 266)
-
Step 950
950
#14234C
oklch(26.9% 0.078 266.1)
#284EC6 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) | #0061CA | 0.046 |
| Deuteranopia (no green cones) | #0052C4 | 0.020 |
| Tritanopia (no blue cones) | #006D82 | 0.150 |
| Achromatopsia (no color) | #595959 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284EC6
#284EC6
oklch(47.5% 0.192 265.8)
- #755700
#755700
oklch(47.5% 0.097 85.3)
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 #284EC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.029
- Majorelle Blue #3F37C9 ΔE 0.049
- Warm Blue #4B57DB ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Blurple #5539CC ΔE 0.066
- Azul #1D5DEC ΔE 0.068
- Sapphire #2138AB ΔE 0.069
- Bluey Purple #6241C7 ΔE 0.078
Use #284EC6 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.