#434BCE
Closest named color: Warm Blue (#4B57DB). oklch(49% 0.199 273.7), rgb(67, 75, 206).
Aa
White text reads best on this color (6.69:1).
About this color
#434BCE is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.199 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.037 away. White text reads best on it, at 6.69:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.199) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.13:1 |
| White text | 6.69:1 |
Values
| HEX | #434BCE |
| RGB | rgb(67, 75, 206) |
| HSL | hsl(237, 59%, 54%) |
| OKLCH | oklch(49% 0.199 273.7) |
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 #434BCE | 6.69:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #434BCE | 3.13:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #434BCE text on white | 6.69:1 | AA | Lc 82.4 | Fine for body text |
| #434BCE text on black | 3.13:1 | AA large text | Lc -19.5 | 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
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CDD7FD
oklch(88.4% 0.054 273.7)
-
Step 300
300
#ADBDFF
oklch(81% 0.095 273.6)
-
Step 400
400
#8397FF
oklch(70.7% 0.153 273.6)
-
Step 500
500
#6779FE
oklch(63.1% 0.197 273.6)
-
Step 600
600
#525DED
oklch(55.6% 0.214 273.8)
-
Step 700
700 (this color)
#434BCE
oklch(49% 0.199 273.7)
-
Step 800
800
#373FA7
oklch(42.8% 0.165 273.7)
-
Step 900
900
#2E3784
oklch(37.7% 0.128 273.5)
-
Step 950
950
#1B214D
oklch(27% 0.081 273.9)
#434BCE 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) | #0062D2 | 0.061 |
| Deuteranopia (no green cones) | #0056CB | 0.048 |
| Tritanopia (no blue cones) | #006D86 | 0.161 |
| Achromatopsia (no color) | #5C5C5C | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434BCE
#434BCE
oklch(49% 0.199 273.7)
- #745E00
#745E00
oklch(49% 0.1 92.9)
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 #434BCE, closest first.
No curated palette has a color within ΔE 0.04 of #434BCE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.037
- Blue With A Hint Of Purple #533CC6 ΔE 0.038
- Blurple #5539CC ΔE 0.041
- Majorelle Blue #3F37C9 ΔE 0.043
- Blue Blue #2242C7 ΔE 0.047
- Bluey Purple #6241C7 ΔE 0.050
- Iris #6258C4 ΔE 0.060
- Purpley Blue #5F34E7 ΔE 0.064
Use #434BCE 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.