#4455DA
Closest named color: Warm Blue (#4B57DB). oklch(51.8% 0.202 271.7), rgb(68, 85, 218).
Aa
White text reads best on this color (5.90:1).
About this color
#4455DA is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.202 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.011 away. White text reads best on it, at 5.90:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.202) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.55:1 |
| White text | 5.90:1 |
Values
| HEX | #4455DA |
| RGB | rgb(68, 85, 218) |
| HSL | hsl(233, 67%, 56%) |
| OKLCH | oklch(51.8% 0.202 271.7) |
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 #4455DA | 5.90:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #4455DA | 3.55:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #4455DA text on white | 5.90:1 | AA | Lc 79.0 | Fine for body text |
| #4455DA 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
#CCD8FE
oklch(88.5% 0.054 271.5)
-
Step 300
300
#AABDFF
oklch(80.8% 0.096 271.7)
-
Step 400
400
#7F98FF
oklch(70.6% 0.153 271.7)
-
Step 500
500
#627AFF
oklch(63.1% 0.198 271.8)
-
Step 600
600
#4B5EF0
oklch(55.6% 0.218 271.6)
-
Step 700
700 (this color)
#4455DA
oklch(51.8% 0.202 271.7)
-
Step 800
800
#3240A9
oklch(42.8% 0.168 271.5)
-
Step 900
900
#2B3885
oklch(37.7% 0.129 271.5)
-
Step 950
950
#19214E
oklch(26.9% 0.083 272.1)
#4455DA 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) | #006BDE | 0.059 |
| Deuteranopia (no green cones) | #005DD7 | 0.044 |
| Tritanopia (no blue cones) | #00778F | 0.164 |
| Achromatopsia (no color) | #646464 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4455DA
#4455DA
oklch(51.8% 0.202 271.7)
- #7F6500
#7F6500
oklch(51.8% 0.106 91)
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 #4455DA, closest first.
No curated palette has a color within ΔE 0.04 of #4455DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.011
- Neon Blue #4361EE ΔE 0.041
- Azul #1D5DEC ΔE 0.043
- Royal Blue #4169E1 ΔE 0.047
- Iris #6258C4 ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
Use #4455DA 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.