#45506A
Closest named color: YInMn Blue (#415A77). oklch(43.2% 0.045 266.7), rgb(69, 80, 106).
Aa
White text reads best on this color (8.05:1).
About this color
#45506A is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.045 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.032 away. White text reads best on it, at 8.05:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #45506A |
| RGB | rgb(69, 80, 106) |
| HSL | hsl(222, 21%, 34%) |
| OKLCH | oklch(43.2% 0.045 266.7) |
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 #45506A | 8.05:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #45506A | 2.60:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #45506A text on white | 8.05:1 | AAA | Lc 87.9 | Fine for body text |
| #45506A text on black | 2.60:1 | Fails | Lc -14.3 | 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 800.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#B9C1D2
oklch(81% 0.026 265.6)
-
Step 400
400
#94A0BC
oklch(70.6% 0.043 267)
-
Step 500
500
#7A89AB
oklch(63.1% 0.054 266.2)
-
Step 600
600
#637397
oklch(55.7% 0.059 265.9)
-
Step 700
700
#526080
oklch(49% 0.054 266.1)
-
Step 800
800 (this color)
#45506A
oklch(43.2% 0.045 266.7)
-
Step 900
900
#394155
oklch(37.6% 0.036 267.7)
-
Step 950
950
#212632
oklch(26.9% 0.024 267.1)
#45506A 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) | #48526B | 0.008 |
| Deuteranopia (no green cones) | #444F69 | 0.004 |
| Tritanopia (no blue cones) | #3A5559 | 0.040 |
| Achromatopsia (no color) | #505050 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45506A
#45506A
oklch(43.2% 0.045 266.7)
- #5B4F33
#5B4F33
oklch(43.2% 0.045 87.3)
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 #45506A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.032
- Dusty Grape #545775 ΔE 0.036
- Dusk #4E5481 ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
- Twilight #4E518B ΔE 0.057
- Light Navy #155084 ΔE 0.063
Use #45506A 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.