#45597E
Closest named color: YInMn Blue (#415A77). oklch(46.4% 0.065 262.3), rgb(69, 89, 126).
Aa
White text reads best on this color (7.03:1).
About this color
#45597E is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.065 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.014 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #45597E |
| RGB | rgb(69, 89, 126) |
| HSL | hsl(219, 29%, 38%) |
| OKLCH | oklch(46.4% 0.065 262.3) |
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 #45597E | 7.03:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #45597E | 2.98:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #45597E text on white | 7.03:1 | AAA | Lc 84.3 | Fine for body text |
| #45597E text on black | 2.98:1 | Fails | Lc -17.6 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3D9E5
oklch(88.4% 0.018 264.5)
-
Step 300
300
#B6C1D6
oklch(80.9% 0.032 263.5)
-
Step 400
400
#90A1C1
oklch(70.7% 0.051 263)
-
Step 500
500
#748AB1
oklch(63.1% 0.064 261.7)
-
Step 600
600
#5D739D
oklch(55.5% 0.071 262.9)
-
Step 700
700 (this color)
#45597E
oklch(46.4% 0.065 262.3)
-
Step 800
800
#3F4F6D
oklch(42.7% 0.054 262.6)
-
Step 900
900
#354258
oklch(37.7% 0.042 260.8)
-
Step 950
950
#1F2734
oklch(27.1% 0.027 260)
#45597E 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) | #4C5C80 | 0.014 |
| Deuteranopia (no green cones) | #45567D | 0.009 |
| Tritanopia (no blue cones) | #306166 | 0.059 |
| Achromatopsia (no color) | #595959 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45597E
#45597E
oklch(46.4% 0.065 262.3)
- #6B552C
#6B552C
oklch(46.2% 0.065 81.6)
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 #45597E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.014
- Dusk #4E5481 ΔE 0.020
- Dusty Grape #545775 ΔE 0.024
- Light Navy Blue #2E5A88 ΔE 0.029
- Denim #3B638C ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.033
- Dusky Blue #475F94 ΔE 0.037
- Twilight #4E518B ΔE 0.037
Use #45597E 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.