#453757
Closest named color: Onyx (#343A40). oklch(36.6% 0.057 303.8), rgb(69, 55, 87).
Aa
White text reads best on this color (10.84:1).
About this color
#453757 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.057 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.054 away. White text reads best on it, at 10.84:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #453757 |
| RGB | rgb(69, 55, 87) |
| HSL | hsl(266, 23%, 28%) |
| OKLCH | oklch(36.6% 0.057 303.8) |
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 #453757 | 10.84:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #453757 | 1.93:1 | Fails | Lc 8.8 | Not readable |
| #453757 text on white | 10.84:1 | AAA | Lc 95.1 | Preferred for body text |
| #453757 text on black | 1.93:1 | Fails | Lc -7.6 | 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 900.
-
Step 50
50
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DCD6E6
oklch(88.6% 0.023 302.9)
-
Step 300
300
#C6BAD7
oklch(80.8% 0.042 304.2)
-
Step 400
400
#A997C4
oklch(70.8% 0.067 303)
-
Step 500
500
#957CB4
oklch(63% 0.087 304.5)
-
Step 600
600
#7F65A0
oklch(55.6% 0.094 303.8)
-
Step 700
700
#6B5489
oklch(49.1% 0.086 303.3)
-
Step 800
800
#57456F
oklch(42.7% 0.071 303.2)
-
Step 900
900 (this color)
#453757
oklch(36.6% 0.057 303.8)
-
Step 950
950
#2A2235
oklch(27% 0.036 303.4)
#453757 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) | #303D58 | 0.037 |
| Deuteranopia (no green cones) | #333D56 | 0.034 |
| Tritanopia (no blue cones) | #423C43 | 0.043 |
| Achromatopsia (no color) | #3D3D3D | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #453757
#453757
oklch(36.6% 0.057 303.8)
- #384421
#384421
oklch(36.6% 0.057 124.7)
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 #453757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.063
- Charcoal #264653 ΔE 0.064
- Gunmetal #293241 ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.067
Use #453757 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.