#4036AF
Closest named color: Sapphire (#2138AB). oklch(42.6% 0.184 278.9), rgb(64, 54, 175).
Aa
White text reads best on this color (8.88:1).
About this color
#4036AF is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.184 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.040 away. White text reads best on it, at 8.88:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #4036AF |
| RGB | rgb(64, 54, 175) |
| HSL | hsl(245, 53%, 45%) |
| OKLCH | oklch(42.6% 0.184 278.9) |
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 #4036AF | 8.88:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #4036AF | 2.36:1 | Fails | Lc 14.3 | Not readable |
| #4036AF text on white | 8.88:1 | AAA | Lc 89.7 | Fine for body text |
| #4036AF text on black | 2.36:1 | Fails | Lc -12.6 | Not readable |
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 800.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B2BAFF
oklch(80.8% 0.098 278.8)
-
Step 400
400
#8D94FF
oklch(70.8% 0.155 278.8)
-
Step 500
500
#7474FF
oklch(63.2% 0.201 278.9)
-
Step 600
600
#5F51F9
oklch(55.6% 0.239 278.9)
-
Step 700
700
#4F40D9
oklch(49.1% 0.222 278.8)
-
Step 800
800 (this color)
#4036AF
oklch(42.6% 0.184 278.9)
-
Step 900
900
#35328B
oklch(37.8% 0.143 278.5)
-
Step 950
950
#1F1E51
oklch(27% 0.091 279.3)
#4036AF 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) | #004FB3 | 0.069 |
| Deuteranopia (no green cones) | #0045AD | 0.058 |
| Tritanopia (no blue cones) | #00566E | 0.152 |
| Achromatopsia (no color) | #4A4A4A | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4036AF
#4036AF
oklch(42.6% 0.184 278.9)
- #5B4F00
#5B4F00
oklch(42.7% 0.088 99.2)
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 #4036AF, closest first.
No curated palette has a color within ΔE 0.04 of #4036AF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.040
- Majorelle Blue #3F37C9 ΔE 0.042
- Indigo Blue #3A18B1 ΔE 0.050
- Blueberry #464196 ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.051
- Blue Blue #2242C7 ΔE 0.055
- Blurple #5539CC ΔE 0.058
- Imperial Purple #480CA8 ΔE 0.061
Use #4036AF 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.