#455D84
Closest named color: Denim (#3B638C). oklch(47.6% 0.07 259.8), rgb(69, 93, 132).
Aa
White text reads best on this color (6.66:1).
About this color
#455D84 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.070 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.021 away. White text reads best on it, at 6.66:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.15:1 |
| White text | 6.66:1 |
Values
| HEX | #455D84 |
| RGB | rgb(69, 93, 132) |
| HSL | hsl(217, 31%, 39%) |
| OKLCH | oklch(47.6% 0.07 259.8) |
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 #455D84 | 6.66:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #455D84 | 3.15:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #455D84 text on white | 6.66:1 | AA | Lc 82.8 | Fine for body text |
| #455D84 text on black | 3.15:1 | AA large text | Lc -19.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C1D7
oklch(80.8% 0.034 261)
-
Step 400
400
#8DA2C3
oklch(70.8% 0.054 259.4)
-
Step 500
500
#718AB4
oklch(63% 0.07 260.6)
-
Step 600
600
#5974A0
oklch(55.6% 0.076 259.9)
-
Step 700
700 (this color)
#455D84
oklch(47.6% 0.07 259.8)
-
Step 800
800
#3C4F6F
oklch(42.6% 0.059 260.6)
-
Step 900
900
#33425A
oklch(37.7% 0.046 259.6)
-
Step 950
950
#1E2735
oklch(27.1% 0.029 259.1)
#455D84 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) | #4E6086 | 0.016 |
| Deuteranopia (no green cones) | #475A83 | 0.009 |
| Tritanopia (no blue cones) | #2C656B | 0.061 |
| Achromatopsia (no color) | #5C5C5C | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455D84
#455D84
oklch(47.6% 0.07 259.8)
- #71582B
#71582B
oklch(47.6% 0.07 80.4)
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 #455D84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.021
- YInMn Blue #415A77 ΔE 0.023
- Dusky Blue #475F94 ΔE 0.026
- Dusk #4E5481 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.029
- Dusty Grape #545775 ΔE 0.031
- Twilight #4E518B ΔE 0.040
Use #455D84 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.