#4359AB
Closest named color: Denim Blue (#3B5B92). oklch(49% 0.133 269.7), rgb(67, 89, 171).
Aa
White text reads best on this color (6.45:1).
About this color
#4359AB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.133 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.043 away. White text reads best on it, at 6.45:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #4359AB |
| RGB | rgb(67, 89, 171) |
| HSL | hsl(227, 44%, 47%) |
| OKLCH | oklch(49% 0.133 269.7) |
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 #4359AB | 6.45:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #4359AB | 3.25:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #4359AB text on white | 6.45:1 | AA | Lc 81.8 | Fine for body text |
| #4359AB text on black | 3.25:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F2
oklch(88.6% 0.036 269.9)
-
Step 300
300
#B0BFEB
oklch(80.8% 0.065 270.2)
-
Step 400
400
#879DE1
oklch(70.6% 0.103 269.9)
-
Step 500
500
#6A84D9
oklch(63.1% 0.132 269.5)
-
Step 600
600
#536CC6
oklch(55.7% 0.142 269.6)
-
Step 700
700 (this color)
#4359AB
oklch(49% 0.133 269.7)
-
Step 800
800
#37498B
oklch(42.6% 0.111 269.7)
-
Step 900
900
#303E6F
oklch(37.7% 0.086 269.9)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#4359AB 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) | #3163AE | 0.030 |
| Deuteranopia (no green cones) | #1F5AA9 | 0.034 |
| Tritanopia (no blue cones) | #006C7A | 0.116 |
| Achromatopsia (no color) | #5E5E5E | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4359AB
#4359AB
oklch(49% 0.133 269.7)
- #775D00
#775D00
oklch(49.1% 0.1 89.6)
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 #4359AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.044
- Mid Blue #276AB3 ΔE 0.048
- French Blue #436BAD ΔE 0.049
- Twilight #4E518B ΔE 0.053
- Iris #6258C4 ΔE 0.060
- Dusk Blue #26538D ΔE 0.062
- Denim #3B638C ΔE 0.063
Use #4359AB 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.