#453A91
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.138 284.3), rgb(69, 58, 145).
Aa
White text reads best on this color (9.26:1).
About this color
#453A91 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.138 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.014 away. White text reads best on it, at 9.26:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #453A91 |
| RGB | rgb(69, 58, 145) |
| HSL | hsl(248, 43%, 40%) |
| OKLCH | oklch(41.1% 0.138 284.3) |
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 #453A91 | 9.26:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #453A91 | 2.26:1 | Fails | Lc 12.9 | Not readable |
| #453A91 text on white | 9.26:1 | AAA | Lc 91.0 | Preferred for body text |
| #453A91 text on black | 2.26:1 | Fails | Lc -11.3 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F6
oklch(88.5% 0.044 284)
-
Step 300
300
#BABAF4
oklch(80.9% 0.081 284.4)
-
Step 400
400
#9894EE
oklch(70.7% 0.13 284.6)
-
Step 500
500
#8077E8
oklch(63.1% 0.165 284.2)
-
Step 600
600
#6B5DD6
oklch(55.6% 0.179 284.2)
-
Step 700
700
#5A4CBA
oklch(49.2% 0.167 284.2)
-
Step 800
800 (this color)
#453A91
oklch(41.1% 0.138 284.3)
-
Step 900
900
#3D3678
oklch(37.7% 0.109 284.7)
-
Step 950
950
#232046
oklch(26.9% 0.069 284.3)
#453A91 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) | #004A94 | 0.070 |
| Deuteranopia (no green cones) | #00448F | 0.068 |
| Tritanopia (no blue cones) | #284E5F | 0.117 |
| Achromatopsia (no color) | #474747 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #453A91
#453A91
oklch(41.1% 0.138 284.3)
- #524C00
#524C00
oklch(40.9% 0.087 104.4)
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 #453A91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.014
- Blueberry #464196 ΔE 0.019
- Cobalt #1E488F ΔE 0.056
- Rebecca Purple #663399 ΔE 0.062
- Sapphire #2138AB ΔE 0.065
- Twilight #4E518B ΔE 0.067
- Dusk Blue #26538D ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.078
Use #453A91 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.