#45688D
Closest named color: Denim (#3B638C). oklch(50.7% 0.072 250.7), rgb(69, 104, 141).
Aa
White text reads best on this color (5.80:1).
About this color
#45688D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.072 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 5.80:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #45688D |
| RGB | rgb(69, 104, 141) |
| HSL | hsl(211, 34%, 41%) |
| OKLCH | oklch(50.7% 0.072 250.7) |
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 #45688D | 5.80:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #45688D | 3.61:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #45688D text on white | 5.80:1 | AA | Lc 78.9 | Fine for body text |
| #45688D text on black | 3.61:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B1C3D7
oklch(81% 0.035 251)
-
Step 400
400
#87A4C3
oklch(70.8% 0.056 250.3)
-
Step 500
500
#698DB3
oklch(63.1% 0.07 250.3)
-
Step 600
600
#50769F
oklch(55.5% 0.077 251.2)
-
Step 700
700 (this color)
#45688D
oklch(50.7% 0.072 250.7)
-
Step 800
800
#36516F
oklch(42.7% 0.06 251.8)
-
Step 900
900
#2F435A
oklch(37.6% 0.047 252.5)
-
Step 950
950
#1C2834
oklch(27.1% 0.028 248.9)
#45688D 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) | #59698F | 0.026 |
| Deuteranopia (no green cones) | #50628C | 0.021 |
| Tritanopia (no blue cones) | #237075 | 0.061 |
| Achromatopsia (no color) | #656565 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45688D
#45688D
oklch(50.7% 0.072 250.7)
- #7F5E35
#7F5E35
oklch(50.7% 0.071 71)
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 #45688D, 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 0.031
- Muted Blue #3B719F ΔE 0.034
- Metallic Blue #4F738E ΔE 0.036
- Dull Blue #49759C ΔE 0.041
- Slate #516572 ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.044
- Ocean Blue #03719C ΔE 0.045
Use #45688D 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.