#4359DF
Closest named color: Warm Blue (#4B57DB). oklch(52.9% 0.204 270.6), rgb(67, 89, 223).
Aa
White text reads best on this color (5.62:1).
About this color
#4359DF is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.204 and its hue 271°. 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 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #4359DF |
| RGB | rgb(67, 89, 223) |
| HSL | hsl(232, 71%, 57%) |
| OKLCH | oklch(52.9% 0.204 270.6) |
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 #4359DF | 5.62:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #4359DF | 3.73:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #4359DF text on white | 5.62:1 | AA | Lc 77.6 | Fine for body text |
| #4359DF text on black | 3.73:1 | AA large text | Lc -24.2 | 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 600.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CCD8FC
oklch(88.5% 0.051 270.8)
-
Step 300
300
#AABEFD
oklch(80.9% 0.092 270.6)
-
Step 400
400
#7E9AFC
oklch(70.8% 0.147 270.3)
-
Step 500
500
#607DF9
oklch(63.1% 0.187 270.3)
-
Step 600
600 (this color)
#4359DF
oklch(52.9% 0.204 270.6)
-
Step 700
700
#3C50CA
oklch(49.2% 0.189 270.6)
-
Step 800
800
#3142A3
oklch(42.6% 0.157 270.7)
-
Step 900
900
#2A3982
oklch(37.6% 0.124 270.6)
-
Step 950
950
#19224C
oklch(27% 0.078 271.2)
#4359DF 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) | #006FE3 | 0.057 |
| Deuteranopia (no green cones) | #0060DC | 0.041 |
| Tritanopia (no blue cones) | #007B93 | 0.165 |
| Achromatopsia (no color) | #676767 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4359DF
#4359DF
oklch(52.9% 0.204 270.6)
- #836800
#836800
oklch(52.9% 0.108 90.8)
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 #4359DF, closest first.
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 0.029
- Azul #1D5DEC ΔE 0.036
- Royal Blue #4169E1 ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.057
- Iris #6258C4 ΔE 0.058
- Bright Blue #0165FC ΔE 0.059
Use #4359DF 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.