#4A53DB
Closest named color: Warm Blue (#4B57DB). oklch(51.9% 0.204 273.9), rgb(74, 83, 219).
Aa
White text reads best on this color (5.91:1).
About this color
#4A53DB is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.204 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.009 away. White text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.55:1 |
| White text | 5.91:1 |
Values
| HEX | #4A53DB |
| RGB | rgb(74, 83, 219) |
| HSL | hsl(236, 67%, 57%) |
| OKLCH | oklch(51.9% 0.204 273.9) |
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 #4A53DB | 5.91:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #4A53DB | 3.55:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #4A53DB text on white | 5.91:1 | AA | Lc 79.0 | Fine for body text |
| #4A53DB text on black | 3.55:1 | AA large text | Lc -22.8 | 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 700.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CDD7FE
oklch(88.4% 0.055 273.9)
-
Step 300
300
#ADBCFF
oklch(80.8% 0.096 274.3)
-
Step 400
400
#8497FF
oklch(70.7% 0.153 274)
-
Step 500
500
#6778FF
oklch(63% 0.199 273.8)
-
Step 600
600
#525BF0
oklch(55.5% 0.22 274.1)
-
Step 700
700 (this color)
#4A53DB
oklch(51.9% 0.204 273.9)
-
Step 800
800
#373EA9
oklch(42.8% 0.169 273.9)
-
Step 900
900
#2E3686
oklch(37.6% 0.133 273.8)
-
Step 950
950
#1B214E
oklch(27.1% 0.082 273.9)
#4A53DB 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) | #006BDF | 0.065 |
| Deuteranopia (no green cones) | #005ED8 | 0.052 |
| Tritanopia (no blue cones) | #00768F | 0.168 |
| Achromatopsia (no color) | #646464 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4A53DB
#4A53DB
oklch(51.9% 0.204 273.9)
- #7D6700
#7D6700
oklch(52% 0.107 94.2)
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 #4A53DB, closest first.
No curated palette has a color within ΔE 0.04 of #4A53DB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.009
- Neon Blue #4361EE ΔE 0.042
- Azul #1D5DEC ΔE 0.048
- Royal Blue #4169E1 ΔE 0.051
- Iris #6258C4 ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.057
Use #4A53DB 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.