#4660DB
Closest named color: Warm Blue (#4B57DB). oklch(54% 0.19 269.9), rgb(70, 96, 219).
Aa
White text reads best on this color (5.30:1).
About this color
#4660DB is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.190 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.021 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #4660DB |
| RGB | rgb(70, 96, 219) |
| HSL | hsl(230, 67%, 57%) |
| OKLCH | oklch(54% 0.19 269.9) |
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 #4660DB | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #4660DB | 3.95:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #4660DB text on white | 5.30:1 | AA | Lc 75.9 | Fine for body text |
| #4660DB text on black | 3.95:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ABBFF9
oklch(81% 0.085 269.7)
-
Step 400
400
#7F9BF6
oklch(70.7% 0.137 269.7)
-
Step 500
500
#617FF2
oklch(63.1% 0.175 269.8)
-
Step 600
600 (this color)
#4660DB
oklch(54% 0.19 269.9)
-
Step 700
700
#3C53C3
oklch(49.1% 0.176 269.9)
-
Step 800
800
#31459E
oklch(42.8% 0.146 269.6)
-
Step 900
900
#2B3B7D
oklch(37.7% 0.113 270)
-
Step 950
950
#192349
oklch(27% 0.072 270)
#4660DB 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) | #0072DF | 0.053 |
| Deuteranopia (no green cones) | #0065D9 | 0.042 |
| Tritanopia (no blue cones) | #007E94 | 0.155 |
| Achromatopsia (no color) | #6B6B6B | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4660DB
#4660DB
oklch(54% 0.19 269.9)
- #886B00
#886B00
oklch(54.1% 0.111 89.9)
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 #4660DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.021
- Royal Blue #4169E1 ΔE 0.023
- Neon Blue #4361EE ΔE 0.029
- Azul #1D5DEC ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.044
- Iris #6258C4 ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.053
Use #4660DB 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.