#45759D
Closest named color: Dull Blue (#49759C). oklch(54.6% 0.082 245.2), rgb(69, 117, 157).
Aa
White text reads best on this color (4.90:1).
About this color
#45759D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.082 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.004 away. White text reads best on it, at 4.90:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.28:1 |
| White text | 4.90:1 |
Values
| HEX | #45759D |
| RGB | rgb(69, 117, 157) |
| HSL | hsl(207, 39%, 44%) |
| OKLCH | oklch(54.6% 0.082 245.2) |
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 #45759D | 4.90:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #45759D | 4.28:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #45759D text on white | 4.90:1 | AA | Lc 73.8 | Content text, not long reading |
| #45759D text on black | 4.28:1 | AA large text | Lc -27.9 | 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
#CEDBE6
oklch(88.5% 0.021 243.4)
-
Step 300
300
#AEC4D7
oklch(81% 0.036 244.3)
-
Step 400
400
#82A5C3
oklch(70.7% 0.059 244.6)
-
Step 500
500
#628EB4
oklch(63% 0.075 245.4)
-
Step 600
600 (this color)
#45759D
oklch(54.6% 0.082 245.2)
-
Step 700
700
#396589
oklch(49.1% 0.076 244.9)
-
Step 800
800
#30526F
oklch(42.6% 0.063 245.7)
-
Step 900
900
#2B445A
oklch(37.6% 0.049 246.1)
-
Step 950
950
#192835
oklch(27% 0.032 245.5)
#45759D 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) | #64769F | 0.038 |
| Deuteranopia (no green cones) | #586D9C | 0.029 |
| Tritanopia (no blue cones) | #037F83 | 0.069 |
| Achromatopsia (no color) | #717171 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45759D
#45759D
oklch(54.6% 0.082 245.2)
- #91663A
#91663A
oklch(54.5% 0.082 65.3)
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 #45759D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.004
- Muted Blue #3B719F ΔE 0.017
- Cerulean #457B9D ΔE 0.018
- Flat Blue #3C73A8 ΔE 0.021
- Stormy Blue #507B9C ΔE 0.023
- Metallic Blue #4F738E ΔE 0.024
- Nice Blue #107AB0 ΔE 0.040
- Sea Blue #047495 ΔE 0.042
Use #45759D 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.