#4A5FD9
Closest named color: Warm Blue (#4B57DB). oklch(53.9% 0.187 271.3), rgb(74, 95, 217).
Aa
White text reads best on this color (5.34:1).
About this color
#4A5FD9 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.187 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.019 away. White text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.93:1 |
| White text | 5.34:1 |
Values
| HEX | #4A5FD9 |
| RGB | rgb(74, 95, 217) |
| HSL | hsl(231, 65%, 57%) |
| OKLCH | oklch(53.9% 0.187 271.3) |
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 #4A5FD9 | 5.34:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #4A5FD9 | 3.93:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #4A5FD9 text on white | 5.34:1 | AA | Lc 76.2 | Fine for body text |
| #4A5FD9 text on black | 3.93:1 | AA large text | Lc -25.6 | 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
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8F9
oklch(88.5% 0.047 272.1)
-
Step 300
300
#ADBEF8
oklch(80.9% 0.084 271.8)
-
Step 400
400
#829AF4
oklch(70.6% 0.135 271.3)
-
Step 500
500
#657EF0
oklch(63% 0.172 271.4)
-
Step 600
600 (this color)
#4A5FD9
oklch(53.9% 0.187 271.3)
-
Step 700
700
#4052C1
oklch(49% 0.174 271.5)
-
Step 800
800
#34449C
oklch(42.6% 0.144 271.2)
-
Step 900
900
#2D3A7C
oklch(37.6% 0.113 271.6)
-
Step 950
950
#1A2349
oklch(27.1% 0.071 270.9)
#4A5FD9 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) | #0071DD | 0.055 |
| Deuteranopia (no green cones) | #0065D7 | 0.047 |
| Tritanopia (no blue cones) | #007D93 | 0.155 |
| Achromatopsia (no color) | #6B6B6B | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A5FD9
#4A5FD9
oklch(53.9% 0.187 271.3)
- #866B00
#866B00
oklch(53.9% 0.11 91.3)
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 #4A5FD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.019
- Royal Blue #4169E1 ΔE 0.026
- Neon Blue #4361EE ΔE 0.033
- Dark Periwinkle #665FD1 ΔE 0.040
- Iris #6258C4 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.047
- Azul #1D5DEC ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.051
Use #4A5FD9 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.