#455491
Closest named color: Twilight (#4E518B). oklch(46.3% 0.101 271.6), rgb(69, 84, 145).
Aa
White text reads best on this color (7.16:1).
About this color
#455491 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.101 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.016 away. White text reads best on it, at 7.16:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #455491 |
| RGB | rgb(69, 84, 145) |
| HSL | hsl(228, 36%, 42%) |
| OKLCH | oklch(46.3% 0.101 271.6) |
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 #455491 | 7.16:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #455491 | 2.93:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #455491 text on white | 7.16:1 | AAA | Lc 84.7 | Fine for body text |
| #455491 text on black | 2.93:1 | Fails | Lc -17.3 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9EC
oklch(88.6% 0.027 269.6)
-
Step 300
300
#B5BFE1
oklch(80.8% 0.049 272.4)
-
Step 400
400
#8F9ED2
oklch(70.7% 0.078 271.8)
-
Step 500
500
#7486C6
oklch(63.2% 0.099 271.4)
-
Step 600
600
#5D6EB3
oklch(55.6% 0.109 272)
-
Step 700
700 (this color)
#455491
oklch(46.3% 0.101 271.6)
-
Step 800
800
#3F4B7D
oklch(42.7% 0.084 272.2)
-
Step 900
900
#353F64
oklch(37.6% 0.065 271.5)
-
Step 950
950
#1F253B
oklch(27% 0.042 271.7)
#455491 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) | #3B5B93 | 0.021 |
| Deuteranopia (no green cones) | #335490 | 0.022 |
| Tritanopia (no blue cones) | #24616B | 0.090 |
| Achromatopsia (no color) | #585858 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455491
#455491
oklch(46.3% 0.101 271.6)
- #6C5600
#6C5600
oklch(46.2% 0.095 91.5)
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 #455491, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.016
- Denim Blue #3B5B92 ΔE 0.022
- Dusk #4E5481 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.036
- Dusk Blue #26538D ΔE 0.037
- Denim #3B638C ΔE 0.047
- YInMn Blue #415A77 ΔE 0.051
Use #455491 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.