#4553CC
Closest named color: Warm Blue (#4B57DB). oklch(50.4% 0.186 272.8), rgb(69, 83, 204).
Aa
White text reads best on this color (6.24:1).
About this color
#4553CC is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.186 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.027 away. White text reads best on it, at 6.24:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #4553CC |
| RGB | rgb(69, 83, 204) |
| HSL | hsl(234, 57%, 54%) |
| OKLCH | oklch(50.4% 0.186 272.8) |
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 #4553CC | 6.24:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #4553CC | 3.36:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #4553CC text on white | 6.24:1 | AA | Lc 80.6 | Fine for body text |
| #4553CC text on black | 3.36:1 | AA large text | Lc -21.2 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FB
oklch(88.6% 0.049 272.8)
-
Step 300
300
#ADBDFB
oklch(80.8% 0.09 273.1)
-
Step 400
400
#8399FA
oklch(70.8% 0.144 272.6)
-
Step 500
500
#677CF7
oklch(63.2% 0.184 272.8)
-
Step 600
600
#5061E6
oklch(55.6% 0.2 272.6)
-
Step 700
700 (this color)
#4553CC
oklch(50.4% 0.186 272.8)
-
Step 800
800
#3642A1
oklch(42.8% 0.153 272.7)
-
Step 900
900
#2E3980
oklch(37.7% 0.12 272.7)
-
Step 950
950
#1B224B
oklch(27% 0.076 273)
#4553CC 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) | #0067D0 | 0.058 |
| Deuteranopia (no green cones) | #005BCA | 0.047 |
| Tritanopia (no blue cones) | #007187 | 0.154 |
| Achromatopsia (no color) | #606060 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4553CC
#4553CC
oklch(50.4% 0.186 272.8)
- #796200
#796200
oklch(50.4% 0.103 92.8)
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 #4553CC, closest first.
No curated palette has a color within ΔE 0.04 of #4553CC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.027
- Iris #6258C4 ΔE 0.046
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.054
- Blurple #5539CC ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.058
- Royal Blue #4169E1 ΔE 0.060
Use #4553CC 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.