#4158A9
Closest named color: Denim Blue (#3B5B92). oklch(48.5% 0.132 269.1), rgb(65, 88, 169).
Aa
White text reads best on this color (6.57:1).
About this color
#4158A9 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.132 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.041 away. White text reads best on it, at 6.57:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #4158A9 |
| RGB | rgb(65, 88, 169) |
| HSL | hsl(227, 44%, 46%) |
| OKLCH | oklch(48.5% 0.132 269.1) |
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 #4158A9 | 6.57:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #4158A9 | 3.19:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #4158A9 text on white | 6.57:1 | AA | Lc 82.3 | Fine for body text |
| #4158A9 text on black | 3.19:1 | AA large text | Lc -19.6 | 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
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#B0C0EB
oklch(81% 0.063 269)
-
Step 400
400
#869EE1
oklch(70.7% 0.102 268.6)
-
Step 500
500
#6984D8
oklch(63% 0.13 269)
-
Step 600
600
#526CC6
oklch(55.6% 0.142 269.2)
-
Step 700
700 (this color)
#4158A9
oklch(48.5% 0.132 269.1)
-
Step 800
800
#374A8A
oklch(42.7% 0.108 269)
-
Step 900
900
#2F3E6F
oklch(37.7% 0.086 269.2)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#4158A9 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) | #3062AC | 0.029 |
| Deuteranopia (no green cones) | #1E59A7 | 0.033 |
| Tritanopia (no blue cones) | #006A78 | 0.114 |
| Achromatopsia (no color) | #5D5D5D | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4158A9
#4158A9
oklch(48.5% 0.132 269.1)
- #755B00
#755B00
oklch(48.4% 0.099 89.3)
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 #4158A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.043
- Mid Blue #276AB3 ΔE 0.051
- Twilight #4E518B ΔE 0.051
- French Blue #436BAD ΔE 0.053
- Dusk Blue #26538D ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.060
- Denim #3B638C ΔE 0.062
Use #4158A9 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.