#434AC3
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(47.9% 0.186 274.4), rgb(67, 74, 195).
Aa
White text reads best on this color (6.98:1).
About this color
#434AC3 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.186 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.034 away. White text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 3.00:1 |
| White text | 6.98:1 |
Values
| HEX | #434AC3 |
| RGB | rgb(67, 74, 195) |
| HSL | hsl(237, 52%, 51%) |
| OKLCH | oklch(47.9% 0.186 274.4) |
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 #434AC3 | 6.98:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #434AC3 | 3.00:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #434AC3 text on white | 6.98:1 | AA | Lc 83.7 | Fine for body text |
| #434AC3 text on black | 3.00:1 | AA large text | Lc -18.3 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#AFBDFB
oklch(81% 0.089 274.4)
-
Step 400
400
#8698F9
oklch(70.7% 0.143 274.2)
-
Step 500
500
#6B7AF6
oklch(63% 0.184 274.7)
-
Step 600
600
#5560E5
oklch(55.7% 0.199 274.4)
-
Step 700
700 (this color)
#434AC3
oklch(47.9% 0.186 274.4)
-
Step 800
800
#3941A1
oklch(42.8% 0.153 274.3)
-
Step 900
900
#303880
oklch(37.7% 0.12 274.3)
-
Step 950
950
#1C224B
oklch(27.1% 0.076 274)
#434AC3 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) | #005FC7 | 0.060 |
| Deuteranopia (no green cones) | #0054C1 | 0.050 |
| Tritanopia (no blue cones) | #00697F | 0.154 |
| Achromatopsia (no color) | #595959 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434AC3
#434AC3
oklch(47.9% 0.186 274.4)
- #6F5C00
#6F5C00
oklch(47.9% 0.098 94.9)
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 #434AC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.034
- Majorelle Blue #3F37C9 ΔE 0.041
- Blurple #5539CC ΔE 0.042
- Blue Blue #2242C7 ΔE 0.044
- Bluey Purple #6241C7 ΔE 0.049
- Warm Blue #4B57DB ΔE 0.050
- Iris #6258C4 ΔE 0.060
- Blueberry #464196 ΔE 0.074
Use #434AC3 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.