#4664EA
Closest named color: Neon Blue (#4361EE). oklch(56% 0.205 269.1), rgb(70, 100, 234).
Aa
White text reads best on this color (4.91:1).
About this color
#4664EA is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.205 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.010 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #4664EA |
| RGB | rgb(70, 100, 234) |
| HSL | hsl(229, 80%, 60%) |
| OKLCH | oklch(56% 0.205 269.1) |
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 #4664EA | 4.91:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #4664EA | 4.27:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #4664EA text on white | 4.91:1 | AA | Lc 73.5 | Content text, not long reading |
| #4664EA text on black | 4.27:1 | AA large text | Lc -28.2 | 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 600.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD8FC
oklch(88.4% 0.052 269.6)
-
Step 300
300
#A8BFFD
oklch(81% 0.092 268.6)
-
Step 400
400
#7B9AFC
oklch(70.6% 0.148 269.1)
-
Step 500
500
#5C7EFA
oklch(63.2% 0.188 268.9)
-
Step 600
600 (this color)
#4664EA
oklch(56% 0.205 269.1)
-
Step 700
700
#3751CA
oklch(49.1% 0.19 268.9)
-
Step 800
800
#2E43A4
oklch(42.7% 0.158 269.3)
-
Step 900
900
#283A82
oklch(37.7% 0.123 269.2)
-
Step 950
950
#17234C
oklch(27.1% 0.077 268.6)
#4664EA 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) | #0078EF | 0.054 |
| Deuteranopia (no green cones) | #0069E7 | 0.040 |
| Tritanopia (no blue cones) | #00859D | 0.165 |
| Achromatopsia (no color) | #707070 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4664EA
#4664EA
oklch(56% 0.205 269.1)
- #8F7000
#8F7000
oklch(56% 0.114 89.4)
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 #4664EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.010
- Royal Blue #4169E1 ΔE 0.019
- Warm Blue #4B57DB ΔE 0.037
- Cerulean Blue #056EEE ΔE 0.040
- Azul #1D5DEC ΔE 0.040
- Bright Blue #0165FC ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.055
- Clear Blue #247AFD ΔE 0.058
Use #4664EA 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.