#434DD0
Closest named color: Warm Blue (#4B57DB). oklch(49.5% 0.199 273.3), rgb(67, 77, 208).
Aa
White text reads best on this color (6.53:1).
About this color
#434DD0 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.199 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.031 away. White text reads best on it, at 6.53:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #434DD0 |
| RGB | rgb(67, 77, 208) |
| HSL | hsl(236, 60%, 54%) |
| OKLCH | oklch(49.5% 0.199 273.3) |
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 #434DD0 | 6.53:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #434DD0 | 3.21:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #434DD0 text on white | 6.53:1 | AA | Lc 81.8 | Fine for body text |
| #434DD0 text on black | 3.21:1 | AA large text | Lc -20.1 | 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
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD7FD
oklch(88.4% 0.054 273.7)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8297FF
oklch(70.6% 0.154 273.2)
-
Step 500
500
#6679FE
oklch(63.1% 0.197 273.3)
-
Step 600
600
#505DED
oklch(55.5% 0.214 273.2)
-
Step 700
700 (this color)
#434DD0
oklch(49.5% 0.199 273.3)
-
Step 800
800
#363FA7
oklch(42.7% 0.165 273.3)
-
Step 900
900
#2E3784
oklch(37.7% 0.128 273.5)
-
Step 950
950
#1A214D
oklch(26.9% 0.081 272.9)
#434DD0 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) | #0064D4 | 0.061 |
| Deuteranopia (no green cones) | #0057CD | 0.047 |
| Tritanopia (no blue cones) | #006F87 | 0.162 |
| Achromatopsia (no color) | #5D5D5D | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434DD0
#434DD0
oklch(49.5% 0.199 273.3)
- #766000
#766000
oklch(49.6% 0.102 93.2)
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 #434DD0, closest first.
No curated palette has a color within ΔE 0.04 of #434DD0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.031
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Blurple #5539CC ΔE 0.044
- Majorelle Blue #3F37C9 ΔE 0.048
- Blue Blue #2242C7 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.052
- Iris #6258C4 ΔE 0.058
- Azul #1D5DEC ΔE 0.060
Use #434DD0 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.