#55699A
Closest named color: Muted Blue (#3B719F). oklch(52.6% 0.081 266.7), rgb(85, 105, 154).
Aa
White text reads best on this color (5.42:1).
About this color
#55699A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.081 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.033 away. White text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #55699A |
| RGB | rgb(85, 105, 154) |
| HSL | hsl(223, 29%, 47%) |
| OKLCH | oklch(52.6% 0.081 266.7) |
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 #55699A | 5.42:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #55699A | 3.87:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #55699A text on white | 5.42:1 | AA | Lc 77.0 | Fine for body text |
| #55699A text on black | 3.87:1 | AA large text | Lc -24.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D3D9E7
oklch(88.5% 0.02 267.3)
-
Step 300
300
#B6C1D9
oklch(81% 0.036 265.9)
-
Step 400
400
#90A0C6
oklch(70.7% 0.059 267)
-
Step 500
500
#7588B8
oklch(63% 0.076 267.5)
-
Step 600
600 (this color)
#55699A
oklch(52.6% 0.081 266.7)
-
Step 700
700
#4D5F8C
oklch(49% 0.076 267)
-
Step 800
800
#3F4E72
oklch(42.7% 0.063 266.5)
-
Step 900
900
#36415C
oklch(37.8% 0.049 267)
-
Step 950
950
#1F2636
oklch(26.9% 0.032 266.1)
#55699A 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) | #576D9C | 0.012 |
| Deuteranopia (no green cones) | #516799 | 0.008 |
| Tritanopia (no blue cones) | #3C737A | 0.073 |
| Achromatopsia (no color) | #6A6A6A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55699A
#55699A
oklch(52.6% 0.081 266.7)
- #7F672E
#7F672E
oklch(52.5% 0.081 86.4)
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 #55699A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.033
- French Blue #436BAD ΔE 0.035
- Dull Blue #49759C ΔE 0.035
- Dusky Blue #475F94 ΔE 0.036
- Flat Blue #3C73A8 ΔE 0.038
- Metallic Blue #4F738E ΔE 0.040
- Denim #3B638C ΔE 0.044
- Stormy Blue #507B9C ΔE 0.052
Use #55699A 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.