#45709D
Closest named color: Muted Blue (#3B719F). oklch(53.4% 0.086 250.7), rgb(69, 112, 157).
Aa
White text reads best on this color (5.17:1).
About this color
#45709D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.086 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.010 away. White text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #45709D |
| RGB | rgb(69, 112, 157) |
| HSL | hsl(211, 39%, 44%) |
| OKLCH | oklch(53.4% 0.086 250.7) |
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 #45709D | 5.17:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #45709D | 4.05:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #45709D text on white | 5.17:1 | AA | Lc 75.5 | Fine for body text |
| #45709D text on black | 4.05:1 | AA large text | Lc -26.2 | 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 600.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AFC3D9
oklch(80.9% 0.038 250.8)
-
Step 400
400
#84A4C6
oklch(70.7% 0.061 250.2)
-
Step 500
500
#658DB8
oklch(63.1% 0.079 250.9)
-
Step 600
600 (this color)
#45709D
oklch(53.4% 0.086 250.7)
-
Step 700
700
#3C648D
oklch(49.2% 0.08 250.3)
-
Step 800
800
#325172
oklch(42.6% 0.066 251)
-
Step 900
900
#2C435C
oklch(37.5% 0.052 251.3)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#45709D 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) | #5D729F | 0.030 |
| Deuteranopia (no green cones) | #52699C | 0.023 |
| Tritanopia (no blue cones) | #077A80 | 0.074 |
| Achromatopsia (no color) | #6D6D6D | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45709D
#45709D
oklch(53.4% 0.086 250.7)
- #8C6430
#8C6430
oklch(53.4% 0.086 71.3)
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 #45709D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.010
- Dull Blue #49759C ΔE 0.016
- Flat Blue #3C73A8 ΔE 0.018
- Metallic Blue #4F738E ΔE 0.030
- French Blue #436BAD ΔE 0.032
- Cerulean #457B9D ΔE 0.033
- Stormy Blue #507B9C ΔE 0.037
- Ocean Blue #03719C ΔE 0.039
Use #45709D 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.