#4249D3
Closest named color: Warm Blue (#4B57DB). oklch(49.1% 0.208 273.5), rgb(66, 73, 211).
Aa
White text reads best on this color (6.71:1).
About this color
#4249D3 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.208 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.037 away. White text reads best on it, at 6.71:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.208) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #4249D3 |
| RGB | rgb(66, 73, 211) |
| HSL | hsl(237, 62%, 54%) |
| OKLCH | oklch(49.1% 0.208 273.5) |
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 #4249D3 | 6.71:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #4249D3 | 3.12:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #4249D3 text on white | 6.71:1 | AA | Lc 82.5 | Fine for body text |
| #4249D3 text on black | 3.12:1 | AA large text | Lc -19.4 | 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
#CDD7FF
oklch(88.4% 0.056 274.2)
-
Step 300
300
#ADBDFF
oklch(81% 0.095 273.6)
-
Step 400
400
#8397FF
oklch(70.7% 0.153 273.6)
-
Step 500
500
#6779FF
oklch(63.2% 0.198 273.6)
-
Step 600
600
#505BF2
oklch(55.6% 0.223 273.4)
-
Step 700
700 (this color)
#4249D3
oklch(49.1% 0.208 273.5)
-
Step 800
800
#363DAB
oklch(42.7% 0.173 273.6)
-
Step 900
900
#2E3687
oklch(37.7% 0.134 273.8)
-
Step 950
950
#1A214F
oklch(27.1% 0.084 273)
#4249D3 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) | #0062D7 | 0.063 |
| Deuteranopia (no green cones) | #0055D0 | 0.048 |
| Tritanopia (no blue cones) | #006D88 | 0.166 |
| Achromatopsia (no color) | #5C5C5C | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4249D3
#4249D3
oklch(49.1% 0.208 273.5)
- #745F00
#745F00
oklch(49.2% 0.101 93.8)
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 #4249D3, closest first.
No curated palette has a color within ΔE 0.04 of #4249D3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.037
- Blue With A Hint Of Purple #533CC6 ΔE 0.039
- Blurple #5539CC ΔE 0.040
- Majorelle Blue #3F37C9 ΔE 0.041
- Blue Blue #2242C7 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.053
- Purpley Blue #5F34E7 ΔE 0.058
- Azul #1D5DEC ΔE 0.061
Use #4249D3 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.