#45287E
Closest named color: Indigo (#4B0082). oklch(36.5% 0.138 294), rgb(69, 40, 126).
Aa
White text reads best on this color (11.30:1).
About this color
#45287E is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.138 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.053 away. White text reads best on it, at 11.30:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #45287E |
| RGB | rgb(69, 40, 126) |
| HSL | hsl(260, 52%, 33%) |
| OKLCH | oklch(36.5% 0.138 294) |
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 #45287E | 11.30:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #45287E | 1.85:1 | Fails | Lc 8.3 | Not readable |
| #45287E text on white | 11.30:1 | AAA | Lc 95.6 | Preferred for body text |
| #45287E text on black | 1.85:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EAE6FD
oklch(93.5% 0.031 293.8)
-
Step 200
200
#DBD3FC
oklch(88.6% 0.056 294.2)
-
Step 300
300
#C4B4FD
oklch(80.9% 0.103 294)
-
Step 400
400
#A889FC
oklch(70.7% 0.165 294.2)
-
Step 500
500
#9466FA
oklch(63.2% 0.211 293.8)
-
Step 600
600
#8046E9
oklch(55.6% 0.23 293.8)
-
Step 700
700
#6D36CA
oklch(49.1% 0.213 294.1)
-
Step 800
800
#582EA4
oklch(42.7% 0.178 293.8)
-
Step 900
900 (this color)
#45287E
oklch(36.5% 0.138 294)
-
Step 950
950
#2A1B4C
oklch(27.1% 0.087 293.9)
#45287E 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) | #003B81 | 0.085 |
| Deuteranopia (no green cones) | #00397C | 0.085 |
| Tritanopia (no blue cones) | #353C4F | 0.108 |
| Achromatopsia (no color) | #3A3A3A | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45287E
#45287E
oklch(36.5% 0.138 294)
- #3E4300
#3E4300
oklch(36.6% 0.083 114.5)
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 #45287E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.054
- Royal Purple #4B006E ΔE 0.066
- Blueberry #464196 ΔE 0.070
- Imperial Purple #480CA8 ΔE 0.076
- Rebecca Purple #663399 ΔE 0.082
- Chrysanthemum #560BAD ΔE 0.086
- Indigo Blue #3A18B1 ΔE 0.091
Use #45287E 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.