#45699E
Closest named color: French Blue (#436BAD). oklch(51.8% 0.094 257.9), rgb(69, 105, 158).
Aa
White text reads best on this color (5.57:1).
About this color
#45699E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.094 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.023 away. White text reads best on it, at 5.57:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #45699E |
| RGB | rgb(69, 105, 158) |
| HSL | hsl(216, 39%, 45%) |
| OKLCH | oklch(51.8% 0.094 257.9) |
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 #45699E | 5.57:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #45699E | 3.76:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #45699E text on white | 5.57:1 | AA | Lc 77.7 | Fine for body text |
| #45699E text on black | 3.76:1 | AA large text | Lc -24.0 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#AFC2DF
oklch(80.9% 0.046 258.8)
-
Step 400
400
#84A2CE
oklch(70.6% 0.073 257.9)
-
Step 500
500
#668BC2
oklch(63.2% 0.093 258.1)
-
Step 600
600
#4D74AE
oklch(55.6% 0.101 258.1)
-
Step 700
700 (this color)
#45699E
oklch(51.8% 0.094 257.9)
-
Step 800
800
#334F79
oklch(42.6% 0.078 258.3)
-
Step 900
900
#2D4262
oklch(37.7% 0.061 258.6)
-
Step 950
950
#1A2739
oklch(27% 0.038 256.7)
#45699E 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) | #546DA0 | 0.023 |
| Deuteranopia (no green cones) | #48649D | 0.014 |
| Tritanopia (no blue cones) | #09757C | 0.084 |
| Achromatopsia (no color) | #686868 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45699E
#45699E
oklch(51.8% 0.094 257.9)
- #86611E
#86611E
oklch(51.9% 0.094 78.2)
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 #45699E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.023
- Muted Blue #3B719F ΔE 0.024
- Flat Blue #3C73A8 ΔE 0.029
- Dusky Blue #475F94 ΔE 0.030
- Denim #3B638C ΔE 0.034
- Dull Blue #49759C ΔE 0.037
- Mid Blue #276AB3 ΔE 0.040
- Ocean Blue #03719C ΔE 0.044
Use #45699E 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.