#455779
Closest named color: YInMn Blue (#415A77). oklch(45.6% 0.06 262.7), rgb(69, 87, 121).
Aa
White text reads best on this color (7.26:1).
About this color
#455779 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.060 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.011 away. White text reads best on it, at 7.26:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.89:1 |
| White text | 7.26:1 |
Values
| HEX | #455779 |
| RGB | rgb(69, 87, 121) |
| HSL | hsl(219, 27%, 37%) |
| OKLCH | oklch(45.6% 0.06 262.7) |
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 #455779 | 7.26:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #455779 | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #455779 text on white | 7.26:1 | AAA | Lc 85.2 | Fine for body text |
| #455779 text on black | 2.89:1 | Fails | Lc -16.8 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D2D9E6
oklch(88.4% 0.019 263)
-
Step 300
300
#B5C1D8
oklch(80.9% 0.035 263.5)
-
Step 400
400
#8EA1C5
oklch(70.7% 0.057 263.1)
-
Step 500
500
#728AB6
oklch(63.2% 0.072 262.3)
-
Step 600
600
#5B73A2
oklch(55.6% 0.079 263.3)
-
Step 700
700
#4A608A
oklch(49% 0.073 262.8)
-
Step 800
800 (this color)
#455779
oklch(45.6% 0.06 262.7)
-
Step 900
900
#34425B
oklch(37.8% 0.047 261.7)
-
Step 950
950
#1F2635
oklch(26.9% 0.03 265.1)
#455779 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) | #4B597A | 0.011 |
| Deuteranopia (no green cones) | #455578 | 0.006 |
| Tritanopia (no blue cones) | #335E63 | 0.053 |
| Achromatopsia (no color) | #575757 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455779
#455779
oklch(45.6% 0.06 262.7)
- #68542E
#68542E
oklch(45.7% 0.061 82.3)
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 #455779, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.011
- Dusk #4E5481 ΔE 0.022
- Dusty Grape #545775 ΔE 0.022
- Light Navy Blue #2E5A88 ΔE 0.033
- Twilight #4E518B ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.041
- Denim #3B638C ΔE 0.041
- Dusky Blue #475F94 ΔE 0.046
Use #455779 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.