#45688E
Closest named color: Denim (#3B638C). oklch(50.7% 0.073 251.3), rgb(69, 104, 142).
Aa
White text reads best on this color (5.79:1).
About this color
#45688E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.073 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.020 away. White text reads best on it, at 5.79:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #45688E |
| RGB | rgb(69, 104, 142) |
| HSL | hsl(211, 35%, 41%) |
| OKLCH | oklch(50.7% 0.073 251.3) |
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 #45688E | 5.79:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #45688E | 3.62:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #45688E text on white | 5.79:1 | AA | Lc 78.9 | Fine for body text |
| #45688E text on black | 3.62:1 | AA large text | Lc -22.9 | 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 700.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B0C3D7
oklch(80.9% 0.035 249.6)
-
Step 400
400
#87A4C3
oklch(70.8% 0.056 250.3)
-
Step 500
500
#698DB4
oklch(63.2% 0.072 251)
-
Step 600
600
#5076A0
oklch(55.5% 0.079 251.7)
-
Step 700
700 (this color)
#45688E
oklch(50.7% 0.073 251.3)
-
Step 800
800
#35516F
oklch(42.6% 0.061 251)
-
Step 900
900
#2F435A
oklch(37.6% 0.047 252.5)
-
Step 950
950
#1C2835
oklch(27.2% 0.029 250.9)
#45688E 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) | #596990 | 0.026 |
| Deuteranopia (no green cones) | #50628D | 0.020 |
| Tritanopia (no blue cones) | #227175 | 0.064 |
| Achromatopsia (no color) | #656565 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45688E
#45688E
oklch(50.7% 0.073 251.3)
- #805E34
#805E34
oklch(50.8% 0.073 70.7)
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 #45688E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.020
- Dusky Blue #475F94 ΔE 0.030
- Muted Blue #3B719F ΔE 0.033
- Metallic Blue #4F738E ΔE 0.037
- Dull Blue #49759C ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.044
- Ocean Blue #03719C ΔE 0.045
- Slate #516572 ΔE 0.045
Use #45688E 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.