#4451C4
Closest named color: Warm Blue (#4B57DB). oklch(49.3% 0.178 273.1), rgb(68, 81, 196).
Aa
White text reads best on this color (6.52:1).
About this color
#4451C4 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.178 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.040 away. White text reads best on it, at 6.52:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.21:1 |
| White text | 6.52:1 |
Values
| HEX | #4451C4 |
| RGB | rgb(68, 81, 196) |
| HSL | hsl(234, 52%, 52%) |
| OKLCH | oklch(49.3% 0.178 273.1) |
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 #4451C4 | 6.52:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #4451C4 | 3.21:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #4451C4 text on white | 6.52:1 | AA | Lc 81.9 | Fine for body text |
| #4451C4 text on black | 3.21:1 | AA large text | Lc -20.0 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#AEBDF9
oklch(80.8% 0.087 273.5)
-
Step 400
400
#8599F6
oklch(70.7% 0.138 273.2)
-
Step 500
500
#697DF2
oklch(63.2% 0.175 273.1)
-
Step 600
600
#5262E1
oklch(55.5% 0.192 273)
-
Step 700
700 (this color)
#4451C4
oklch(49.3% 0.178 273.1)
-
Step 800
800
#37439E
oklch(42.8% 0.147 272.9)
-
Step 900
900
#2F397D
oklch(37.6% 0.115 273.3)
-
Step 950
950
#1B2249
oklch(26.9% 0.072 272.9)
#4451C4 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) | #0063C8 | 0.056 |
| Deuteranopia (no green cones) | #0058C2 | 0.047 |
| Tritanopia (no blue cones) | #006D82 | 0.148 |
| Achromatopsia (no color) | #5E5E5E | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4451C4
#4451C4
oklch(49.3% 0.178 273.1)
- #755F00
#755F00
oklch(49.3% 0.101 93.1)
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 #4451C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.040
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Iris #6258C4 ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.053
- Blurple #5539CC ΔE 0.053
- Blue Blue #2242C7 ΔE 0.055
- Majorelle Blue #3F37C9 ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.064
Use #4451C4 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.