#453B79
Closest named color: Dark Slate Blue (#483D8B). oklch(39.5% 0.102 288.2), rgb(69, 59, 121).
Aa
White text reads best on this color (9.74:1).
About this color
#453B79 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.102 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.031 away. White text reads best on it, at 9.74:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #453B79 |
| RGB | rgb(69, 59, 121) |
| HSL | hsl(250, 34%, 35%) |
| OKLCH | oklch(39.5% 0.102 288.2) |
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 #453B79 | 9.74:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #453B79 | 2.15:1 | Fails | Lc 11.5 | Not readable |
| #453B79 text on white | 9.74:1 | AAA | Lc 92.4 | Preferred for body text |
| #453B79 text on black | 2.15:1 | Fails | Lc -10.0 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F4
oklch(88.4% 0.042 288.5)
-
Step 300
300
#BEB9F0
oklch(80.9% 0.077 288.7)
-
Step 400
400
#9D93E8
oklch(70.6% 0.123 288.2)
-
Step 500
500
#8776E1
oklch(63% 0.157 288.4)
-
Step 600
600
#725DCF
oklch(55.7% 0.169 288.1)
-
Step 700
700
#604BB3
oklch(49% 0.158 288.5)
-
Step 800
800
#4E3F91
oklch(42.8% 0.13 288)
-
Step 900
900 (this color)
#453B79
oklch(39.5% 0.102 288.2)
-
Step 950
950
#262044
oklch(27% 0.065 288.9)
#453B79 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) | #22457B | 0.051 |
| Deuteranopia (no green cones) | #224278 | 0.050 |
| Tritanopia (no blue cones) | #364854 | 0.086 |
| Achromatopsia (no color) | #444444 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #453B79
#453B79
oklch(39.5% 0.102 288.2)
- #4B4900
#4B4900
oklch(39.4% 0.085 107.9)
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 #453B79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.031
- Blueberry #464196 ΔE 0.049
- Cobalt #1E488F ΔE 0.063
- Twilight Blue #0A437A ΔE 0.066
- Twilight #4E518B ΔE 0.067
- Dusk #4E5481 ΔE 0.073
- Light Navy #155084 ΔE 0.073
- Dusk Blue #26538D ΔE 0.075
Use #453B79 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.