#45709B
Closest named color: Muted Blue (#3B719F). oklch(53.3% 0.083 249.6), rgb(69, 112, 155).
Aa
White text reads best on this color (5.19:1).
About this color
#45709B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.083 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.011 away. White text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #45709B |
| RGB | rgb(69, 112, 155) |
| HSL | hsl(210, 38%, 44%) |
| OKLCH | oklch(53.3% 0.083 249.6) |
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 #45709B | 5.19:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #45709B | 4.04:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #45709B text on white | 5.19:1 | AA | Lc 75.6 | Fine for body text |
| #45709B text on black | 4.04:1 | AA large text | Lc -26.1 | 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
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AFC3D8
oklch(80.9% 0.037 249.6)
-
Step 400
400
#84A4C5
oklch(70.7% 0.06 249.5)
-
Step 500
500
#658DB6
oklch(63% 0.076 249.7)
-
Step 600
600 (this color)
#45709B
oklch(53.3% 0.083 249.6)
-
Step 700
700
#3D648B
oklch(49.2% 0.077 249.6)
-
Step 800
800
#325271
oklch(42.8% 0.064 248.8)
-
Step 900
900
#2C445B
oklch(37.8% 0.05 248.2)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#45709B 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) | #5E729D | 0.032 |
| Deuteranopia (no green cones) | #53699A | 0.024 |
| Tritanopia (no blue cones) | #0C7A7F | 0.072 |
| Achromatopsia (no color) | #6D6D6D | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45709B
#45709B
oklch(53.3% 0.083 249.6)
- #8C6333
#8C6333
oklch(53.2% 0.083 68.6)
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 #45709B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.011
- Dull Blue #49759C ΔE 0.016
- Flat Blue #3C73A8 ΔE 0.021
- Metallic Blue #4F738E ΔE 0.027
- Cerulean #457B9D ΔE 0.032
- French Blue #436BAD ΔE 0.035
- Stormy Blue #507B9C ΔE 0.036
- Ocean Blue #03719C ΔE 0.039
Use #45709B 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.